Exact Mass: 249.2456

Exact Mass Matches: 249.2456

Found 99 metabolites which its exact mass value is equals to given mass value 249.2456, within given mass tolerance error 0.05 dalton. Try search metabolite list with more accurate mass tolerance error 0.01 dalton.

2,4-Dodecadienoic acid pyrrolidide

(2E,4E)-1-(pyrrolidin-1-yl)dodeca-2,4-dien-1-one

C16H27NO (249.2093)


2,4-Dodecadienoic acid pyrrolidide is found in herbs and spices. 2,4-Dodecadienoic acid pyrrolidide is a constituent of pepper (Piper nigrum) (Piperaceae). Constituent of pepper (Piper nigrum) (Piperaceae). 2,4-Dodecadienoic acid pyrrolidide is found in herbs and spices and pepper (spice).

   

(1alpha,2beta,4aalpha,8aalpha)-N-[Decahydro-4a-methyl-8-methylene-2-(1-methylethyl)-1-naphthalenyl]-formamide

(1alpha,2beta,4aalpha,8aalpha)-N-[Decahydro-4a-methyl-8-methylene-2-(1-methylethyl)-1-naphthalenyl]-formamide

C16H27NO (249.2093)


   
   

Dihydrolycopodine

5-Deoxo-5beta-hydroxylycopodine

C16H27NO (249.2093)


   

Axamide 1

[1R-[1alpha(S*),3aalpha,7aalpha]]-N-[2-Methyl-1-(octahydro-3a-methyl-7-methylene-1H-inden-1-yl)propyl]formamide

C16H27NO (249.2093)


   
   

5-pentyl-3-methoxy-N-butylaniline

5-pentyl-3-methoxy-N-butylaniline

C16H27NO (249.2093)


   

N-(3,7,11-trimethyldodeca-2,6,10-trienyl)formamide

N-(3,7,11-trimethyldodeca-2,6,10-trienyl)formamide

C16H27NO (249.2093)


   

Theonellin formamide

Theonellin formamide

C16H27NO (249.2093)


   

2-(6-Heptenyl)-(6-(4-pentenyl)piperidine

2-(6-Heptenyl)-(6-(4-pentenyl)piperidine

C17H31N (249.2456)


   

(2R,5R,10S)-2-formamido-6-axene

(2R,5R,10S)-2-formamido-6-axene

C16H27NO (249.2093)


   

aldotripiperideine|alpha-Aldotripiperidein|Hexadecahydro-dipyrido[2,1-f;2,3-h][1,6]naphthyridin|hexadecahydro-dipyrido[2,1-f;2,3-h][1,6]naphthyridine

aldotripiperideine|alpha-Aldotripiperidein|Hexadecahydro-dipyrido[2,1-f;2,3-h][1,6]naphthyridin|hexadecahydro-dipyrido[2,1-f;2,3-h][1,6]naphthyridine

C15H27N3 (249.2205)


   

11-formamido-7beta-H-eudesm-5-ene|11-formamido-7betaH-eudesm-5-ene

11-formamido-7beta-H-eudesm-5-ene|11-formamido-7betaH-eudesm-5-ene

C16H27NO (249.2093)


   

batzelladine K

batzelladine K

C15H27N3 (249.2205)


   

rel-7-formamido-7,8-dihydro-alpha-bisabolane|rel-N-{(2S)-6-methyl-2-[(1R)-4-methylcyclohex-3-en-1-yl]-hept-5-en-2-yl}formamide

rel-7-formamido-7,8-dihydro-alpha-bisabolane|rel-N-{(2S)-6-methyl-2-[(1R)-4-methylcyclohex-3-en-1-yl]-hept-5-en-2-yl}formamide

C16H27NO (249.2093)


   

clavolonine|Dihydrodesoxyclavolonin

clavolonine|Dihydrodesoxyclavolonin

C16H27NO (249.2093)


   

(3S,5R,6R,9R)-3-formamido-1(10)-cadinene

(3S,5R,6R,9R)-3-formamido-1(10)-cadinene

C16H27NO (249.2093)


   

3-formamidobisabolane-8,10-diene

3-formamidobisabolane-8,10-diene

C16H27NO (249.2093)


   

microcosamine A

microcosamine A

C16H27NO (249.2093)


   

N-(2-Isopropyl-3a,5-dimethyl-1,4-methanohydrindane-5-yl)formamide

N-(2-Isopropyl-3a,5-dimethyl-1,4-methanohydrindane-5-yl)formamide

C16H27NO (249.2093)


   

2-formamidopupukeanane

2-formamidopupukeanane

C16H27NO (249.2093)


   

Isotripiperidein

Isotripiperidein

C15H27N3 (249.2205)


   

rel-(4R,5R,7S,10R)-4-formamidoeudesm-11-ene

rel-(4R,5R,7S,10R)-4-formamidoeudesm-11-ene

C16H27NO (249.2093)


   
   

4alpha-formamidogorgon-11-ene

4alpha-formamidogorgon-11-ene

C16H27NO (249.2093)


   

(4R*,5R*,10R*)-4-formamidoeudesm-7-ene

(4R*,5R*,10R*)-4-formamidoeudesm-7-ene

C16H27NO (249.2093)


   

N-Butyl-3-methoxy-5-pentylaniline

N-Butyl-3-methoxy-5-pentylaniline

C16H27NO (249.2093)


   

(2S,5R)-5-(pent-4-en-1-yl)-2-propyldecahydroquinoline

(2S,5R)-5-(pent-4-en-1-yl)-2-propyldecahydroquinoline

C17H31N (249.2456)


   

(2S,5S)-5-(pent-4-en-1-yl)-2-propyldecahydroquinoline

(2S,5S)-5-(pent-4-en-1-yl)-2-propyldecahydroquinoline

C17H31N (249.2456)


   

(2S,5S)-2-(pent-4-en-1-yl)-5-propyldecahydroquinoline

(2S,5S)-2-(pent-4-en-1-yl)-5-propyldecahydroquinoline

C17H31N (249.2456)


   

(3S,5R)-3-butyl-5-(pent-4-en-1-yl)octahydroindolizine

(3S,5R)-3-butyl-5-(pent-4-en-1-yl)octahydroindolizine

C17H31N (249.2456)


   

8-(but-3-en-1-yl)-5-pentyloctahydroindolizine

8-(but-3-en-1-yl)-5-pentyloctahydroindolizine

C17H31N (249.2456)


   

8-butyl-5-pentyl-1,2,3,5,8,8a-hexahydroindolizine

8-butyl-5-pentyl-1,2,3,5,8,8a-hexahydroindolizine

C17H31N (249.2456)


   

(5S,6R,8R)-8-ethyl-5-((Z)-hex-3-en-3-yl)-6-methyloctahydroindolizine

(5S,6R,8R)-8-ethyl-5-((Z)-hex-3-en-3-yl)-6-methyloctahydroindolizine

C17H31N (249.2456)


   

(2S,3S,7S,10S)-3,7,10-trimethyldodecahydrocyclopenta[b]quinolizine-2-carbaldehyde

(2S,3S,7S,10S)-3,7,10-trimethyldodecahydrocyclopenta[b]quinolizine-2-carbaldehyde

C16H27NO (249.2093)


   

2,4-Dodecadienoic acid pyrrolidide

(2E,4E)-1-(pyrrolidin-1-yl)dodeca-2,4-dien-1-one

C16H27NO (249.2093)


   

NA 16:3

N-Isobutyl-2E,4E,8Z-dodecatrienamide

C16H27NO (249.2093)


   

10Z-heptadecenenitrile

10Z-heptadecenenitrile

C17H31N (249.2456)


   

p-Decyloxyaniline

p-Decyloxyaniline

C16H27NO (249.2093)


   

6-(dipropylamino)-3,4,5,6,7,8-hexahydro-2H-naphthalen-1-one

6-(dipropylamino)-3,4,5,6,7,8-hexahydro-2H-naphthalen-1-one

C16H27NO (249.2093)


   

(2,4,6-Triethylbenzene-1,3,5-triyl)trimethanamine

(2,4,6-Triethylbenzene-1,3,5-triyl)trimethanamine

C15H27N3 (249.2205)


   

1-deoxy-1-nitro-d-iditol hemihydrate

1-deoxy-1-nitro-d-iditol hemihydrate

C6H13NO7.1/2H2O (249.2363)


   

1-Geranylazacycloheptan-2-one

1-Geranylazacycloheptan-2-one

C16H27NO (249.2093)


   

7-Aza-15-azoniatetracyclo[7.7.1.02,7.010,15]heptadecan-6-one

7-Aza-15-azoniatetracyclo[7.7.1.02,7.010,15]heptadecan-6-one

C15H25N2O+ (249.1967)


   

7-Aza-15-azoniatetracyclo[7.7.1.02,7.010,15]heptadecan-8-one

7-Aza-15-azoniatetracyclo[7.7.1.02,7.010,15]heptadecan-8-one

C15H25N2O+ (249.1967)


   

Lupanine(1+)

Lupanine(1+)

C15H25N2O+ (249.1967)


An organic cation that is the conjugate acid of lupanine, arising from protonation of the tertiary amino function; major species at pH 7.3.

   

Caldopentamine(4+)

Caldopentamine(4+)

C12H35N5+4 (249.2892)


   

[2-(2,6-Dimethylanilino)-2-oxoethyl]-diethyl-methylammonium

[2-(2,6-Dimethylanilino)-2-oxoethyl]-diethyl-methylammonium

C15H25N2O+ (249.1967)


   
   

1-[(2E,4E)-2,4-dodecadienoyl]pyrrolidine

1-[(2E,4E)-2,4-dodecadienoyl]pyrrolidine

C16H27NO (249.2093)


A natural product found in Piper boehmeriaefolium.

   

Caldopentamine(4+)

Caldopentamine(4+)

C12H35N5 (249.2892)


An organic cation obtained by protonation of four of the five amino groups of caldopentamine.

   

Dodecadienoic acid pyrrolidide

Dodecadienoic acid pyrrolidide

C16H27NO (249.2093)


   

n-[(1as,4s,4as,7s,7ar,7br)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

n-[(1as,4s,4as,7s,7ar,7br)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[(1s,2s,4ar,8as)-2-isopropyl-4a-methyl-8-methylidene-octahydronaphthalen-1-yl]carboximidic acid

n-[(1s,2s,4ar,8as)-2-isopropyl-4a-methyl-8-methylidene-octahydronaphthalen-1-yl]carboximidic acid

C16H27NO (249.2093)


   

n-{1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4a-yl}carboximidic acid

n-{1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4a-yl}carboximidic acid

C16H27NO (249.2093)


   

n-{1-methyl-4-[(2e,4e)-6-methylhepta-2,4-dien-2-yl]cyclohexyl}carboximidic acid

n-{1-methyl-4-[(2e,4e)-6-methylhepta-2,4-dien-2-yl]cyclohexyl}carboximidic acid

C16H27NO (249.2093)


   

n-[(1as,4r,4as,7s,7ar,7br)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

n-[(1as,4r,4as,7s,7ar,7br)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

C16H27NO (249.2093)


   

(1r,2r,10s,13r,14s,15r)-15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-14-ol

(1r,2r,10s,13r,14s,15r)-15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-14-ol

C16H27NO (249.2093)


   

n-{2-[(2s,4ar,8s)-4a,8-dimethyl-3,4,5,6,7,8-hexahydro-2h-naphthalen-2-yl]propan-2-yl}carboximidic acid

n-{2-[(2s,4ar,8s)-4a,8-dimethyl-3,4,5,6,7,8-hexahydro-2h-naphthalen-2-yl]propan-2-yl}carboximidic acid

C16H27NO (249.2093)


   

(1r,2r,10s,11r,13s,15r)-15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-11-ol

(1r,2r,10s,11r,13s,15r)-15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-11-ol

C16H27NO (249.2093)


   

n-[(1s,2s,3s,5s,6r,7r)-5-isopropyl-1,3-dimethyltricyclo[4.3.1.0³,⁷]decan-2-yl]carboximidic acid

n-[(1s,2s,3s,5s,6r,7r)-5-isopropyl-1,3-dimethyltricyclo[4.3.1.0³,⁷]decan-2-yl]carboximidic acid

C16H27NO (249.2093)


   

(2e,4e,8z)-n-(2-methylpropyl)dodeca-2,4,8-trienimidic acid

(2e,4e,8z)-n-(2-methylpropyl)dodeca-2,4,8-trienimidic acid

C16H27NO (249.2093)


   

n-[(1s,2r,4ar,8as)-2-isopropyl-4a-methyl-8-methylidene-octahydronaphthalen-1-yl]carboximidic acid

n-[(1s,2r,4ar,8as)-2-isopropyl-4a-methyl-8-methylidene-octahydronaphthalen-1-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[(1s,2r,3r,5s,6r,8r)-5-isopropyl-2,8-dimethyltricyclo[4.3.1.0³,⁸]decan-2-yl]carboximidic acid

n-[(1s,2r,3r,5s,6r,8r)-5-isopropyl-2,8-dimethyltricyclo[4.3.1.0³,⁸]decan-2-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[(1s)-1-[(1s,3as,7as)-3a-methyl-7-methylidene-hexahydro-1h-inden-1-yl]-2-methylpropyl]carboximidic acid

n-[(1s)-1-[(1s,3as,7as)-3a-methyl-7-methylidene-hexahydro-1h-inden-1-yl]-2-methylpropyl]carboximidic acid

C16H27NO (249.2093)


   

n-[(1s,4s)-1-methyl-4-[(2e,4e)-6-methylhepta-2,4-dien-2-yl]cyclohexyl]carboximidic acid

n-[(1s,4s)-1-methyl-4-[(2e,4e)-6-methylhepta-2,4-dien-2-yl]cyclohexyl]carboximidic acid

C16H27NO (249.2093)


   

n-(3-methoxybutyl)-3-pentylaniline

n-(3-methoxybutyl)-3-pentylaniline

C16H27NO (249.2093)


   

n-[(2s,5s,10s)-7-isopropyl-2,10-dimethylspiro[4.5]dec-6-en-2-yl]carboximidic acid

n-[(2s,5s,10s)-7-isopropyl-2,10-dimethylspiro[4.5]dec-6-en-2-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[1-(3a-methyl-7-methylidene-hexahydro-1h-inden-1-yl)-2-methylpropyl]carboximidic acid

n-[1-(3a-methyl-7-methylidene-hexahydro-1h-inden-1-yl)-2-methylpropyl]carboximidic acid

C16H27NO (249.2093)


   

n-[(1as,4s,4as,7s,7ar,7bs)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4a-yl]carboximidic acid

n-[(1as,4s,4as,7s,7ar,7bs)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4a-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[(2r,5r,10s)-7-isopropyl-2,10-dimethylspiro[4.5]dec-6-en-2-yl]carboximidic acid

n-[(2r,5r,10s)-7-isopropyl-2,10-dimethylspiro[4.5]dec-6-en-2-yl]carboximidic acid

C16H27NO (249.2093)


   

15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-11-ol

15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-11-ol

C16H27NO (249.2093)


   

15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-14-ol

15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-14-ol

C16H27NO (249.2093)


   

n-[(1ar,4r,4as,7r,7as,7bs)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

n-[(1ar,4r,4as,7r,7as,7bs)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[(1s,2s,4ar,8r,8as)-4a,8-dimethyl-2-(prop-1-en-2-yl)-octahydro-1h-naphthalen-1-yl]carboximidic acid

n-[(1s,2s,4ar,8r,8as)-4a,8-dimethyl-2-(prop-1-en-2-yl)-octahydro-1h-naphthalen-1-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[1,4a-dimethyl-8-(prop-1-en-2-yl)-octahydronaphthalen-1-yl]carboximidic acid

n-[1,4a-dimethyl-8-(prop-1-en-2-yl)-octahydronaphthalen-1-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[(1r,2s,4ar,8ar)-2-isopropyl-4a-methyl-8-methylidene-octahydronaphthalen-1-yl]carboximidic acid

n-[(1r,2s,4ar,8ar)-2-isopropyl-4a-methyl-8-methylidene-octahydronaphthalen-1-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[(1as,3ar,7r,7ar,7bs)-1,1,3a,7-tetramethyl-octahydrocyclopropa[a]naphthalen-7-yl]carboximidic acid

n-[(1as,3ar,7r,7ar,7bs)-1,1,3a,7-tetramethyl-octahydrocyclopropa[a]naphthalen-7-yl]carboximidic acid

C16H27NO (249.2093)


   

2-(hept-6-en-1-yl)-6-(pent-4-en-1-yl)piperidine

2-(hept-6-en-1-yl)-6-(pent-4-en-1-yl)piperidine

C17H31N (249.2456)


   

n-[2-(4a,8-dimethyl-3,4,5,6,7,8-hexahydro-2h-naphthalen-2-yl)propan-2-yl]carboximidic acid

n-[2-(4a,8-dimethyl-3,4,5,6,7,8-hexahydro-2h-naphthalen-2-yl)propan-2-yl]carboximidic acid

C16H27NO (249.2093)


   

3-butyl-5-methoxy-n-pentylaniline

3-butyl-5-methoxy-n-pentylaniline

C16H27NO (249.2093)


   

n-[(5s,6r,7s,10r)-7-isopropyl-2,10-dimethylspiro[4.5]dec-1-en-6-yl]carboximidic acid

n-[(5s,6r,7s,10r)-7-isopropyl-2,10-dimethylspiro[4.5]dec-1-en-6-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[(1s,2r,5s,6s,8r,9s)-9-isopropyl-1,5-dimethyltricyclo[4.4.0.0²,⁸]decan-5-yl]carboximidic acid

n-[(1s,2r,5s,6s,8r,9s)-9-isopropyl-1,5-dimethyltricyclo[4.4.0.0²,⁸]decan-5-yl]carboximidic acid

C16H27NO (249.2093)


   

n-{1,1,3a,7-tetramethyl-octahydrocyclopropa[a]naphthalen-7-yl}carboximidic acid

n-{1,1,3a,7-tetramethyl-octahydrocyclopropa[a]naphthalen-7-yl}carboximidic acid

C16H27NO (249.2093)


   

n-[(1ar,4r,4ar,7r,7ar,7bs)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

n-[(1ar,4r,4ar,7r,7ar,7bs)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

C16H27NO (249.2093)


   

(1s,2s,10r,11r,13r,15s)-15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-11-ol

(1s,2s,10r,11r,13r,15s)-15-methyl-6-azatetracyclo[8.6.0.0¹,⁶.0²,¹³]hexadecan-11-ol

C16H27NO (249.2093)


   

n-[(1r,4as,8s,8ar)-1,4a-dimethyl-8-(prop-1-en-2-yl)-octahydronaphthalen-1-yl]carboximidic acid

n-[(1r,4as,8s,8ar)-1,4a-dimethyl-8-(prop-1-en-2-yl)-octahydronaphthalen-1-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[4a,8-dimethyl-2-(prop-1-en-2-yl)-octahydro-1h-naphthalen-1-yl]carboximidic acid

n-[4a,8-dimethyl-2-(prop-1-en-2-yl)-octahydro-1h-naphthalen-1-yl]carboximidic acid

C16H27NO (249.2093)


   

n-{7-isopropyl-2,10-dimethylspiro[4.5]dec-1-en-6-yl}carboximidic acid

n-{7-isopropyl-2,10-dimethylspiro[4.5]dec-1-en-6-yl}carboximidic acid

C16H27NO (249.2093)


   

n-{7-isopropyl-2,10-dimethylspiro[4.5]dec-6-en-2-yl}carboximidic acid

n-{7-isopropyl-2,10-dimethylspiro[4.5]dec-6-en-2-yl}carboximidic acid

C16H27NO (249.2093)


   

n-[(1as,4r,4ar,7s,7ar,7br)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

n-[(1as,4r,4ar,7s,7ar,7br)-1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl]carboximidic acid

C16H27NO (249.2093)


   

n-{1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl}carboximidic acid

n-{1,1,4,7-tetramethyl-octahydro-1ah-cyclopropa[e]azulen-4-yl}carboximidic acid

C16H27NO (249.2093)


   

n-(2-isopropyl-4a-methyl-8-methylidene-octahydronaphthalen-1-yl)carboximidic acid

n-(2-isopropyl-4a-methyl-8-methylidene-octahydronaphthalen-1-yl)carboximidic acid

C16H27NO (249.2093)


   

n-[1,4a-dimethyl-7-(prop-1-en-2-yl)-octahydronaphthalen-1-yl]carboximidic acid

n-[1,4a-dimethyl-7-(prop-1-en-2-yl)-octahydronaphthalen-1-yl]carboximidic acid

C16H27NO (249.2093)


   

1-(pyrrolidin-1-yl)dodeca-2,4-dien-1-one

1-(pyrrolidin-1-yl)dodeca-2,4-dien-1-one

C16H27NO (249.2093)


   

(2s,3r,6s)-6-[(1e,3e,5e)-deca-1,3,5-trien-1-yl]-2-methylpiperidin-3-ol

(2s,3r,6s)-6-[(1e,3e,5e)-deca-1,3,5-trien-1-yl]-2-methylpiperidin-3-ol

C16H27NO (249.2093)


   

n-[(1r,4ar,7s,8ar)-1,4a-dimethyl-7-(prop-1-en-2-yl)-octahydronaphthalen-1-yl]carboximidic acid

n-[(1r,4ar,7s,8ar)-1,4a-dimethyl-7-(prop-1-en-2-yl)-octahydronaphthalen-1-yl]carboximidic acid

C16H27NO (249.2093)


   

n-[(5s,6r,7s,10s)-7-isopropyl-2,10-dimethylspiro[4.5]dec-1-en-6-yl]carboximidic acid

n-[(5s,6r,7s,10s)-7-isopropyl-2,10-dimethylspiro[4.5]dec-1-en-6-yl]carboximidic acid

C16H27NO (249.2093)