Exact Mass: 393.2304

Exact Mass Matches: 393.2304

Found 99 metabolites which its exact mass value is equals to given mass value 393.2304, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

Oxidized Cypridina luciferin

1-(3-{6-(1H-indol-3-yl)-3-[(2S)-2-methylbutanamido]pyrazin-2-yl}propyl)guanidine

C21H27N7O (393.2277)


   

2,2-Dimethyl-3-(4-methoxyphenyl)-4-ethyl-6-(1-pyrrolidinylmethyl)-2H-1-benzopyran-7-ol

2,2-Dimethyl-3-(4-methoxyphenyl)-4-ethyl-6-(1-pyrrolidinylmethyl)-2H-1-benzopyran-7-ol

C25H31NO3 (393.2304)


   

2,2-Dimethyl-3-(4-methoxyphenyl)-4-ethyl-8-(1-pyrrolidinylmethyl)-2H-1-benzopyran-7-ol

2,2-Dimethyl-3-(4-methoxyphenyl)-4-ethyl-8-(1-pyrrolidinylmethyl)-2H-1-benzopyran-7-ol

C25H31NO3 (393.2304)


   

Acidissiminol

N-[2-(4-{[(2E)-4-hydroxy-3,7-dimethylocta-2,6-dien-1-yl]oxy}phenyl)ethyl]benzenecarboximidate

C25H31NO3 (393.2304)


Acidissiminol is found in beverages. Acidissiminol is an alkaloid from the fruit of Limonia acidissima (wood apple). Alkaloid from the fruit of Limonia acidissima (wood apple). Acidissiminol is found in beverages and fruits.

   

Lumateperone

1-(4-fluorophenyl)-4-{4-methyl-1,4,12-triazatetracyclo[7.6.1.0⁵,¹⁶.0¹⁰,¹⁵]hexadeca-5,7,9(16)-trien-12-yl}butan-1-one

C24H28FN3O (393.2216)


N - Nervous system > N05 - Psycholeptics > N05A - Antipsychotics > N05AD - Butyrophenone derivatives C78272 - Agent Affecting Nervous System > C29710 - Antipsychotic Agent

   

Estradiol 17-dihydrotrigonelline

5-hydroxy-15-methyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadeca-2(7),3,5-trien-14-yl 1-methyl-1,4-dihydropyridine-3-carboxylate

C25H31NO3 (393.2304)


   
   

1-Piperazineacetamide, 4-((3,5-dimethoxy-4-hydroxy)dihydrocinnamoyl)-N-isopropyl-

1-Piperazineacetamide, 4-((3,5-dimethoxy-4-hydroxy)dihydrocinnamoyl)-N-isopropyl-

C20H31N3O5 (393.2264)


   
   
   
   
   
   
   
   

Retreversine

N2-cyclohexyl-N6-[4-(4-morpholinyl)phenyl]-1H-purine-2,6-diamine

C21H27N7O (393.2277)


   
   
   
   

SCHEMBL11799067

SCHEMBL11799067

C20H31N3O5 (393.2264)


   
   

Cypridinid oxyluciferin

Cypridinid oxyluciferin

C21H27N7O (393.2277)


   
   
   
   
   
   
   
   
   
   

Reversine

N6-cyclohexyl-N2-[4-(4-morpholinyl)phenyl]-1H-purine-2,6-diamine

C21H27N7O (393.2277)


   

Acidissiminol

N-[2-(4-{[(2E)-4-hydroxy-3,7-dimethylocta-2,6-dien-1-yl]oxy}phenyl)ethyl]benzamide

C25H31NO3 (393.2304)


   
   

2-(1-methyl-2,3,3a,4,5,6,7,7a-octahydroindol-3-yl)ethyl 2-hydroxy-2,2-diphenylacetate

2-(1-methyl-2,3,3a,4,5,6,7,7a-octahydroindol-3-yl)ethyl 2-hydroxy-2,2-diphenylacetate

C25H31NO3 (393.2304)


   
   

Doxylamine D5 succinate

Doxylamine D5 succinate

C21H23D5N2O5 (393.2312)


   

(3S,5S)-5-(3-(Cyclopentyloxy)-4-methoxyphenyl)-3-(3-methylbenzyl)piperidin-2-one

(3S,5S)-5-(3-(Cyclopentyloxy)-4-methoxyphenyl)-3-(3-methylbenzyl)piperidin-2-one

C25H31NO3 (393.2304)


   

(3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl) 1-methyl-4H-pyridine-3-carboxylate

(3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl) 1-methyl-4H-pyridine-3-carboxylate

C25H31NO3 (393.2304)


   

(2S)-2-[[(2S)-2-[[(2S,3S)-2-amino-3-methylpentanoyl]amino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid

(2S)-2-[[(2S)-2-[[(2S,3S)-2-amino-3-methylpentanoyl]amino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoic acid

C20H31N3O5 (393.2264)


   

L-Tyrosine, L-valyl-L-isoleucyl-

L-Tyrosine, L-valyl-L-isoleucyl-

C20H31N3O5 (393.2264)


   

Methyl N-[(2S,3R)-3-amino-2-hydroxy-3-(4-methylphenyl)propanoyl]-D-alanyl-D-leucinate

Methyl N-[(2S,3R)-3-amino-2-hydroxy-3-(4-methylphenyl)propanoyl]-D-alanyl-D-leucinate

C20H31N3O5 (393.2264)


   

ITI-722

Lumateperone

C24H28FN3O (393.2216)


N - Nervous system > N05 - Psycholeptics > N05A - Antipsychotics > N05AD - Butyrophenone derivatives C78272 - Agent Affecting Nervous System > C29710 - Antipsychotic Agent

   

Lumateperone

1-(4-fluorophenyl)-4-{4-methyl-1,4,12-triazatetracyclo[7.6.1.0⁵,¹⁶.0¹⁰,¹⁵]hexadeca-5,7,9(16)-trien-12-yl}butan-1-one

C24H28FN3O (393.2216)


N - Nervous system > N05 - Psycholeptics > N05A - Antipsychotics > N05AD - Butyrophenone derivatives C78272 - Agent Affecting Nervous System > C29710 - Antipsychotic Agent

   
   
   

4-[4-[(1-Tert-butyl-5-tetrazolyl)-pyridin-4-ylmethyl]-1-piperazinyl]phenol

4-[4-[(1-Tert-butyl-5-tetrazolyl)-pyridin-4-ylmethyl]-1-piperazinyl]phenol

C21H27N7O (393.2277)


   

(4Z,7Z,11Z,13Z,15E,17S)-10,17-bis(hydroperoxy)docosa-4,7,11,13,15-pentaenoate

(4Z,7Z,11Z,13Z,15E,17S)-10,17-bis(hydroperoxy)docosa-4,7,11,13,15-pentaenoate

C22H33O6- (393.2277)


   

(7Z,11Z,13Z,15E,19Z)-10,17-bis(hydroperoxy)docosa-7,11,13,15,19-pentaenoate

(7Z,11Z,13Z,15E,19Z)-10,17-bis(hydroperoxy)docosa-7,11,13,15,19-pentaenoate

C22H33O6- (393.2277)


   
   
   

4-Hydroxy-6-(pyridin-3-yl)-3-((2E,6E)-3,7,11-trimethyldodeca-2,6,10-trien-1-yl)-2H-pyran-2-one

4-Hydroxy-6-(pyridin-3-yl)-3-((2E,6E)-3,7,11-trimethyldodeca-2,6,10-trien-1-yl)-2H-pyran-2-one

C25H31NO3 (393.2304)


   

(1S,5R)-N-cyclohexyl-7-[4-(4-fluorophenyl)phenyl]-3,6-diazabicyclo[3.1.1]heptane-3-carboxamide

(1S,5R)-N-cyclohexyl-7-[4-(4-fluorophenyl)phenyl]-3,6-diazabicyclo[3.1.1]heptane-3-carboxamide

C24H28FN3O (393.2216)


   

2-methoxy-N-[(4R,7R,8S)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(4R,7R,8S)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(4R,7R,8R)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(4R,7R,8R)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(4S,7S,8R)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(4S,7S,8R)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(4S,7R,8S)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(4S,7R,8S)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(5R,6R,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(5R,6R,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(5R,6R,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(5R,6R,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-[(2R,5S,6R)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

2-[(2R,5S,6R)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

C20H31N3O5 (393.2264)


   

2-[(2R,5R,6S)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

2-[(2R,5R,6S)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

C20H31N3O5 (393.2264)


   

2-[(2R,5R,6R)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

2-[(2R,5R,6R)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

C20H31N3O5 (393.2264)


   

2-[(2S,5R,6R)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

2-[(2S,5R,6R)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(4S,7S,8S)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(4S,7S,8S)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(4S,7R,8R)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(4S,7R,8R)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(4R,7S,8S)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(4R,7S,8S)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(4R,7S,8R)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(4R,7S,8R)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(5S,6R,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(5S,6R,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(5S,6S,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(5S,6S,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(5S,6S,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(5S,6S,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(5R,6S,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(5R,6S,9R)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-methoxy-N-[(5S,6R,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

2-methoxy-N-[(5S,6R,9S)-5-methoxy-3,6,9-trimethyl-2-oxo-11-oxa-3,8-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]acetamide

C20H31N3O5 (393.2264)


   

2-[(2S,5R,6S)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

2-[(2S,5R,6S)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

C20H31N3O5 (393.2264)


   

2-[(2S,5S,6R)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

2-[(2S,5S,6R)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

C20H31N3O5 (393.2264)


   

2-[(2S,5S,6S)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

2-[(2S,5S,6S)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

C20H31N3O5 (393.2264)


   

2-[(2R,5S,6S)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

2-[(2R,5S,6S)-5-[[2-(dimethylamino)-1-oxoethyl]amino]-6-(hydroxymethyl)-2-oxanyl]-N-[(4-methoxyphenyl)methyl]acetamide

C20H31N3O5 (393.2264)


   
   
   
   
   
   
   

(8E,10Z,13Z,15E,19Z)-7,17-bis(hydroperoxy)docosa-8,10,13,15,19-pentaenoate

(8E,10Z,13Z,15E,19Z)-7,17-bis(hydroperoxy)docosa-8,10,13,15,19-pentaenoate

C22H33O6- (393.2277)


   

HexCer 9:0;2O/3:0

HexCer 9:0;2O/3:0

C18H35NO8 (393.2363)


   

HexCer 8:0;2O/4:0

HexCer 8:0;2O/4:0

C18H35NO8 (393.2363)


   

HexCer 10:0;2O/2:0

HexCer 10:0;2O/2:0

C18H35NO8 (393.2363)


   

CerP 16:1;2O/2:0

CerP 16:1;2O/2:0

C18H36NO6P (393.228)


   

1-(3-{6-(1H-indol-3-yl)-3-[(2S)-2-methylbutanamido]pyrazin-2-yl}propyl)guanidine

1-(3-{6-(1H-indol-3-yl)-3-[(2S)-2-methylbutanamido]pyrazin-2-yl}propyl)guanidine

C21H27N7O (393.2277)


   

(8E,10Z,13Z,15E,19Z)-7,17-bis(hydroperoxy)docosapentaenoate

(8E,10Z,13Z,15E,19Z)-7,17-bis(hydroperoxy)docosapentaenoate

C22H33O6 (393.2277)


A hydroperoxydocosapentaenoate that is the conjugate base of (8E,10Z,13Z,15E,19Z)-7,17-bis(hydroperoxy)docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.

   

(4Z,7Z,11Z,13Z,15E,17S)-10,17-bis(hydroperoxy)docosapentaenoate

(4Z,7Z,11Z,13Z,15E,17S)-10,17-bis(hydroperoxy)docosapentaenoate

C22H33O6 (393.2277)


A hydroperoxydocosapentaenoate that is the conjugate base of (4Z,7Z,11Z,13Z,15E,17S)-10,17-bis(hydroperoxy)docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.

   
   
   

n-(2-{4-[(3-hydroxy-3,7-dimethylocta-4,6-dien-1-yl)oxy]phenyl}ethyl)benzenecarboximidic acid

n-(2-{4-[(3-hydroxy-3,7-dimethylocta-4,6-dien-1-yl)oxy]phenyl}ethyl)benzenecarboximidic acid

C25H31NO3 (393.2304)


   

n-[2-(4-{[(3s,4e)-3-hydroxy-3,7-dimethylocta-4,6-dien-1-yl]oxy}phenyl)ethyl]benzenecarboximidic acid

n-[2-(4-{[(3s,4e)-3-hydroxy-3,7-dimethylocta-4,6-dien-1-yl]oxy}phenyl)ethyl]benzenecarboximidic acid

C25H31NO3 (393.2304)


   

2-[(3e,5e)-2-hydroxy-6,10-dimethylundeca-3,5,9-trien-2-yl]-4-methyl-2h,3h-furo[3,2-c]quinolin-5-ium-5-olate

2-[(3e,5e)-2-hydroxy-6,10-dimethylundeca-3,5,9-trien-2-yl]-4-methyl-2h,3h-furo[3,2-c]quinolin-5-ium-5-olate

C25H31NO3 (393.2304)


   

(2s)-2-[(2r,3e,5e)-2-hydroxy-6,10-dimethylundeca-3,5,9-trien-2-yl]-4-methyl-2h,3h-furo[3,2-c]quinolin-5-ium-5-olate

(2s)-2-[(2r,3e,5e)-2-hydroxy-6,10-dimethylundeca-3,5,9-trien-2-yl]-4-methyl-2h,3h-furo[3,2-c]quinolin-5-ium-5-olate

C25H31NO3 (393.2304)


   

2-(2-hydroxy-6,10-dimethylundeca-3,5,9-trien-2-yl)-4-methyl-2h,3h-furo[3,2-c]quinolin-5-ium-5-olate

2-(2-hydroxy-6,10-dimethylundeca-3,5,9-trien-2-yl)-4-methyl-2h,3h-furo[3,2-c]quinolin-5-ium-5-olate

C25H31NO3 (393.2304)


   

n-[2-(4-{[(2e)-4-hydroxy-3,7-dimethylocta-2,6-dien-1-yl]oxy}phenyl)ethyl]benzenecarboximidic acid

n-[2-(4-{[(2e)-4-hydroxy-3,7-dimethylocta-2,6-dien-1-yl]oxy}phenyl)ethyl]benzenecarboximidic acid

C25H31NO3 (393.2304)


   

2-({2-[(3-amino-1,2-dihydroxy-4-phenylbutylidene)amino]-1-hydroxy-3-methylbutylidene}amino)-3-methylbutanoic acid

2-({2-[(3-amino-1,2-dihydroxy-4-phenylbutylidene)amino]-1-hydroxy-3-methylbutylidene}amino)-3-methylbutanoic acid

C20H31N3O5 (393.2264)