Exact Mass: 442.1264
Exact Mass Matches: 442.1264
Found 45 metabolites which its exact mass value is equals to given mass value 442.1264,
within given mass tolerance error 0.001 dalton. Try search metabolite list with more accurate mass tolerance error
0.0002 dalton.
Pratensin A
(E)-5,7-Dihydroxy-3,6-dimethoxy-2-(4-methoxyphenyl)-4-oxo-4H-1-benzopyran-8-yl ester 2-methyl-2-butenoic acid
(+)-phrymarin II|1-acetoxy-2e-piperonyl-6e-[6-methoxypiperonyl]-3,7-dioxabicyclo[3.3.0]octane
(+)-phrymarin II|1-acetoxy-2e-piperonyl-6e-[6-methoxypiperonyl]-3,7-dioxabicyclo[3.3.0]octane
(-)-sanguinolignan C|(8S,7S,8R)-7-acetoxy-3,4-methylenedioxy-3,4-dimethoxy-7-oxolignano-9,9-lactone
(-)-sanguinolignan C|(8S,7S,8R)-7-acetoxy-3,4-methylenedioxy-3,4-dimethoxy-7-oxolignano-9,9-lactone
2,3-Dimethoxy-14,15-dihydroxy-16,16-dimethyl-9,10-(epoxypropano)-5,11,13-trioxa-5H-benzo[4,5]cyclohepta[1,2-b]naphthalene-6(12H)-one
2,3-Dimethoxy-14,15-dihydroxy-16,16-dimethyl-9,10-(epoxypropano)-5,11,13-trioxa-5H-benzo[4,5]cyclohepta[1,2-b]naphthalene-6(12H)-one
(-)-(1R*,2S*,3S*,4S*,5R*,6R*)-2-O-acetyl-4-O-benzoyl-1-benzoyloxymethyl-1,6-epoxycyclohexan-2,3,4,5-tetrol|2-acetylrotepoxide B
(-)-(1R*,2S*,3S*,4S*,5R*,6R*)-2-O-acetyl-4-O-benzoyl-1-benzoyloxymethyl-1,6-epoxycyclohexan-2,3,4,5-tetrol|2-acetylrotepoxide B
2-acetyl-3-[(E)-caffeoyl]-1-[(E)-p-coumaroyl]glycerol|Lasiocarpin B
2-acetyl-3-[(E)-caffeoyl]-1-[(E)-p-coumaroyl]glycerol|Lasiocarpin B
(-)-sanguinolignan C
(-)-sanguinolignan C
A lignan isolated from the leaves of Piper sanguineispicum.
3-[(4aS,12aR)-2-methyl-1,3,4,5,12,12a-hexahydropyrido[3,4-b]acridin-4a-yl]phenol;hydrate;hydrobromide
3-[(4aS,12aR)-2-methyl-1,3,4,5,12,12a-hexahydropyrido[3,4-b]acridin-4a-yl]phenol;hydrate;hydrobromide
15-(1,3-Dihydroxy-3-methylbutyl)-4,18-dihydroxy-2-methoxy-7,9,13-trioxapentacyclo[10.8.0.03,10.04,8.014,19]icosa-1,3(10),5,11,14,16,18-heptaen-20-one
15-(1,3-Dihydroxy-3-methylbutyl)-4,18-dihydroxy-2-methoxy-7,9,13-trioxapentacyclo[10.8.0.03,10.04,8.014,19]icosa-1,3(10),5,11,14,16,18-heptaen-20-one
S-adenosyl-S-carboxymethyl-L-homocysteine dizwitterion
S-adenosyl-S-carboxymethyl-L-homocysteine dizwitterion
A sulfonium betaine obtained by deprotonation of the carboxy groups and protonation of the amino group of S-adenosyl-S-carboxymethyl-L-homocysteine. Major microspecies at pH 7.3
5,7-dihydroxy-3,6-dimethoxy-2-(4-methoxyphenyl)-4-oxochromen-8-yl 2-methylbut-2-enoate
5,7-dihydroxy-3,6-dimethoxy-2-(4-methoxyphenyl)-4-oxochromen-8-yl 2-methylbut-2-enoate
4-[(10r,11r,15r,16r)-16-hydroxy-12-oxo-4,6,13-trioxatetracyclo[7.7.0.0³,⁷.0¹¹,¹⁵]hexadeca-1,3(7),8-trien-10-yl]-2,6-dimethoxyphenyl acetate
4-[(10r,11r,15r,16r)-16-hydroxy-12-oxo-4,6,13-trioxatetracyclo[7.7.0.0³,⁷.0¹¹,¹⁵]hexadeca-1,3(7),8-trien-10-yl]-2,6-dimethoxyphenyl acetate
2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-8-methoxy-4-oxochromen-3-yl 2-methylbut-2-enoate
2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-8-methoxy-4-oxochromen-3-yl 2-methylbut-2-enoate
methyl (1s,2s,4r)-2,4,5,7,12-pentahydroxy-6,11-dioxo-2-propyl-3,4-dihydro-1h-tetracene-1-carboxylate
methyl (1s,2s,4r)-2,4,5,7,12-pentahydroxy-6,11-dioxo-2-propyl-3,4-dihydro-1h-tetracene-1-carboxylate
3-(acetyloxy)-2-[4-(acetyloxy)phenyl]-5-methoxy-6-methyl-4-oxo-2,3-dihydro-1-benzopyran-7-yl acetate
3-(acetyloxy)-2-[4-(acetyloxy)phenyl]-5-methoxy-6-methyl-4-oxo-2,3-dihydro-1-benzopyran-7-yl acetate
[(2r,3r)-3-(3,4-dimethoxyphenyl)-5-methoxy-9-oxo-2h,3h-[1,4]dioxino[2,3-h]chromen-2-yl]methyl acetate
[(2r,3r)-3-(3,4-dimethoxyphenyl)-5-methoxy-9-oxo-2h,3h-[1,4]dioxino[2,3-h]chromen-2-yl]methyl acetate
[3-(3,4-dimethoxyphenyl)-5-methoxy-9-oxo-2h,3h-[1,4]dioxino[2,3-h]chromen-2-yl]methyl acetate
[3-(3,4-dimethoxyphenyl)-5-methoxy-9-oxo-2h,3h-[1,4]dioxino[2,3-h]chromen-2-yl]methyl acetate
(1s,6r,13r,21s)-10,13,21-trihydroxy-16,17-dimethoxy-6-(prop-1-en-2-yl)-2,7,20-trioxapentacyclo[11.8.0.0³,¹¹.0⁴,⁸.0¹⁴,¹⁹]henicosa-3(11),4(8),9,14,16,18-hexaen-12-one
(1s,6r,13r,21s)-10,13,21-trihydroxy-16,17-dimethoxy-6-(prop-1-en-2-yl)-2,7,20-trioxapentacyclo[11.8.0.0³,¹¹.0⁴,⁸.0¹⁴,¹⁹]henicosa-3(11),4(8),9,14,16,18-hexaen-12-one
1,4-dimethyl 2-(2h-1,3-benzodioxol-5-ylmethylidene)-3-[(7-methoxy-2h-1,3-benzodioxol-5-yl)methyl]butanedioate
1,4-dimethyl 2-(2h-1,3-benzodioxol-5-ylmethylidene)-3-[(7-methoxy-2h-1,3-benzodioxol-5-yl)methyl]butanedioate
(1s,2s,3s,4s,5r,6s)-5-(acetyloxy)-6-[(benzoyloxy)methyl]-2,4-dihydroxy-7-oxabicyclo[4.1.0]heptan-3-yl benzoate
(1s,2s,3s,4s,5r,6s)-5-(acetyloxy)-6-[(benzoyloxy)methyl]-2,4-dihydroxy-7-oxabicyclo[4.1.0]heptan-3-yl benzoate
1,4-dimethyl (2z)-2-(2h-1,3-benzodioxol-5-ylmethylidene)-3-[(7-methoxy-2h-1,3-benzodioxol-5-yl)methyl]butanedioate
1,4-dimethyl (2z)-2-(2h-1,3-benzodioxol-5-ylmethylidene)-3-[(7-methoxy-2h-1,3-benzodioxol-5-yl)methyl]butanedioate
1,4-dimethyl (2z,3s)-2-(2h-1,3-benzodioxol-5-ylmethylidene)-3-[(7-methoxy-2h-1,3-benzodioxol-5-yl)methyl]butanedioate
1,4-dimethyl (2z,3s)-2-(2h-1,3-benzodioxol-5-ylmethylidene)-3-[(7-methoxy-2h-1,3-benzodioxol-5-yl)methyl]butanedioate
10,13,21-trihydroxy-16,17-dimethoxy-6-(prop-1-en-2-yl)-2,7,20-trioxapentacyclo[11.8.0.0³,¹¹.0⁴,⁸.0¹⁴,¹⁹]henicosa-3(11),4(8),9,14,16,18-hexaen-12-one
10,13,21-trihydroxy-16,17-dimethoxy-6-(prop-1-en-2-yl)-2,7,20-trioxapentacyclo[11.8.0.0³,¹¹.0⁴,⁸.0¹⁴,¹⁹]henicosa-3(11),4(8),9,14,16,18-hexaen-12-one
(11r,15r,17r)-17-ethyl-2-hydroxy-5-[(2r,4r,6r)-4-hydroxy-6-methyl-5-oxooxan-2-yl]-12,16-dioxatetracyclo[8.7.0.0³,⁸.0¹¹,¹⁵]heptadeca-1,3(8),5,9-tetraene-4,7,13-trione
(11r,15r,17r)-17-ethyl-2-hydroxy-5-[(2r,4r,6r)-4-hydroxy-6-methyl-5-oxooxan-2-yl]-12,16-dioxatetracyclo[8.7.0.0³,⁸.0¹¹,¹⁵]heptadeca-1,3(8),5,9-tetraene-4,7,13-trione
2-(acetyloxy)-3-{[3-(4-hydroxyphenyl)prop-2-enoyl]oxy}propyl 3-(3,4-dihydroxyphenyl)prop-2-enoate
2-(acetyloxy)-3-{[3-(4-hydroxyphenyl)prop-2-enoyl]oxy}propyl 3-(3,4-dihydroxyphenyl)prop-2-enoate
(2r)-2-(acetyloxy)-3-{[(2e)-3-(4-hydroxyphenyl)prop-2-enoyl]oxy}propyl (2e)-3-(3,4-dihydroxyphenyl)prop-2-enoate
(2r)-2-(acetyloxy)-3-{[(2e)-3-(4-hydroxyphenyl)prop-2-enoyl]oxy}propyl (2e)-3-(3,4-dihydroxyphenyl)prop-2-enoate
methyl 2,4,5,7,12-pentahydroxy-6,11-dioxo-2-propyl-3,4-dihydro-1h-tetracene-1-carboxylate
methyl 2,4,5,7,12-pentahydroxy-6,11-dioxo-2-propyl-3,4-dihydro-1h-tetracene-1-carboxylate
(2s,3s)-3-(acetyloxy)-2-[4-(acetyloxy)phenyl]-5-methoxy-6-methyl-4-oxo-2,3-dihydro-1-benzopyran-7-yl acetate
(2s,3s)-3-(acetyloxy)-2-[4-(acetyloxy)phenyl]-5-methoxy-6-methyl-4-oxo-2,3-dihydro-1-benzopyran-7-yl acetate
[4-(2h-1,3-benzodioxole-5-carbonyl)-5-oxooxolan-3-yl](3,4-dimethoxyphenyl)methyl acetate
[4-(2h-1,3-benzodioxole-5-carbonyl)-5-oxooxolan-3-yl](3,4-dimethoxyphenyl)methyl acetate
