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2-[(2E)-but-2-enoylamino]propanoic acid
2-[(2E)-but-2-enoylamino]propanoic acid
1-[(2E)-but-2-enoyl]piperazine
1-[(2E)-but-2-enoyl]piperazine
2-[(2E)-but-2-enylthio]aniline
2-[(2E)-but-2-enylthio]aniline
2-[(2E)-but-2-enoylamino]-5-chlorobenzoic acid
2-[(2E)-but-2-enoylamino]-5-chlorobenzoic acid
1-[(2E)-but-2-enoyl]-1,4-diazepane
1-[(2E)-but-2-enoyl]-1,4-diazepane
E-2-BUTENOICACID3-(DIETHOXYPHOSPHINOTHIONYL)ETHYLETHER
E-2-BUTENOICACID3-(DIETHOXYPHOSPHINOTHIONYL)ETHYLETHER
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-methylbutanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-methylbutanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-cyclopropylpropanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-cyclopropylpropanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-4-methylpentanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-4-methylpentanoic acid
2-[(2E)-but-2-enoylamino]benzoic acid
2-[(2E)-but-2-enoylamino]benzoic acid
2-[(2E)-but-2-enoylamino]-4-fluorobenzoic acid
2-[(2E)-but-2-enoylamino]-4-fluorobenzoic acid
2-[(2E)-but-2-enoyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
2-[(2E)-but-2-enoyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
1-[(2E)-but-2-enoyl]octahydro-1H-indole-2-carboxylic acid
1-[(2E)-but-2-enoyl]octahydro-1H-indole-2-carboxylic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-phenylpropanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-phenylpropanoic acid
(E)-2-BUTENEDIOIC ACID AND ETHENYLBENZENE)
(E)-2-BUTENEDIOIC ACID AND ETHENYLBENZENE)
(2E)-2-Butenedioic acid polymer with 1,2-ethanediol and 1,6-hexanediol
(2E)-2-Butenedioic acid polymer with 1,2-ethanediol and 1,6-hexanediol
(E)-BUT-2-ENYL-SS-D-FRUCTOPYRANOSIDE
(E)-BUT-2-ENYL-SS-D-FRUCTOPYRANOSIDE
2-[(2E)-but-2-enoylamino]-3-methylpentanoic acid
2-[(2E)-but-2-enoylamino]-3-methylpentanoic acid
(E)-2-Butenedioic acid polymer with 1,3-dihydro-1,3-dioxo-5 -isobenzofurancarboxylic acid, α, α'-[(1-methylethylidene)di-4,1-phenylene] bis[ω-hydroxypoly(oxy-1,2-ethanediyl)] and α, α'-[(1-methylethylidene) di-4,1-phenylene]bis[ω-hydroxypoly[oxy(methyl-1,
(E)-2-Butenedioic acid polymer with 1,3-dihydro-1,3-dioxo-5 -isobenzofurancarboxylic acid, α, α'-[(1-methylethylidene)di-4,1-phenylene] bis[ω-hydroxypoly(oxy-1,2-ethanediyl)] and α, α'-[(1-methylethylidene) di-4,1-phenylene]bis[ω-hydroxypoly[oxy(methyl-1,
1-({[(2E)-but-2-enylamino]carbonyl}amino)cyclohexanecarboxylic acid
1-({[(2E)-but-2-enylamino]carbonyl}amino)cyclohexanecarboxylic acid
1-{3-[(2E)-but-2-enyloxy]phenyl}ethanone
1-{3-[(2E)-but-2-enyloxy]phenyl}ethanone
（E)-2-Butenedioic Acid Mono-ET Ester Of Food Preservation And Fumigant Insecticide
新型食品添加剂和工业防霉剂富马酸单乙酯
1-{4-[(2E)-but-2-enyloxy]-3-methoxyphenyl}ethanone
1-{4-[(2E)-but-2-enyloxy]-3-methoxyphenyl}ethanone
1-[(2E)-but-2-enoyl]-4-hydroxypyrrolidine-2-carboxylic acid
1-[(2E)-but-2-enoyl]-4-hydroxypyrrolidine-2-carboxylic acid
2-[(2E)-but-2-enoylamino]-3-methylbutanoic acid
2-[(2E)-but-2-enoylamino]-3-methylbutanoic acid
2-[(2E)-but-2-enylthio]benzoic acid
2-[(2E)-but-2-enylthio]benzoic acid
3-[(2E)-but-2-enylthio]propanoic acid
3-[(2E)-but-2-enylthio]propanoic acid
1-[(2E)-but-2-enoylamino]cyclohexanecarboxylic acid
1-[(2E)-but-2-enoylamino]cyclohexanecarboxylic acid
Crotylamine
巴豆胺
Diethyl fumarate
富马酸二乙酯
trans-Methyl crotonate
巴豆酸甲酯
(E)-2-Butenoyl chloride
巴豆酰氯
(E)-1-(But-2-en-2-yl)cyclopropanamine
(E)-1-(But-2-en-2-yl)cyclopropanamine
2-[(2E)-but-2-enoylamino]-3-hydroxybutanoic acid
2-[(2E)-but-2-enoylamino]-3-hydroxybutanoic acid
2-[(2E)-but-2-enoylamino]-4,5-dimethoxybenzoic acid
2-[(2E)-but-2-enoylamino]-4,5-dimethoxybenzoic acid
2-[(2E)-but-2-enyloxy]benzoic acid
2-[(2E)-but-2-enyloxy]benzoic acid
3-[(2E)-but-2-enyl(phenyl)amino]propanenitrile
3-[(2E)-but-2-enyl(phenyl)amino]propanenitrile
1-[(2E)-but-2-enoyl]piperidine-3-carboxylic acid
1-[(2E)-but-2-enoyl]piperidine-3-carboxylic acid
{4-[(2E)-but-2-enyloxy]phenyl}acetonitrile
{4-[(2E)-but-2-enyloxy]phenyl}acetonitrile
2-[(2E)-but-2-enoylamino]-5-fluorobenzoic acid
2-[(2E)-but-2-enoylamino]-5-fluorobenzoic acid
2-[(2E)-but-2-enoylamino]-3-(1H-imidazol-4-yl)propanoic acid
2-[(2E)-but-2-enoylamino]-3-(1H-imidazol-4-yl)propanoic acid
(E)-1-(BUT-2-EN-2-YL)CYCLOPROPANAMINE
(E)-1-(BUT-2-EN-2-YL)CYCLOPROPANAMINE
(E)-1-(BUT-1-ENYL)CYCLOPROPANAMINE
(E)-1-(BUT-1-ENYL)CYCLOPROPANAMINE
((E)-BUT-1-EN-3-YNYL)-BENZENE
((E)-BUT-1-EN-3-YNYL)-BENZENE
1-[(2E)-but-2-enyl]piperidin-4-one
1-[(2E)-but-2-enyl]piperidin-4-one
2-[(2E)-but-2-enoylamino]-5-methylbenzoic acid
2-[(2E)-but-2-enoylamino]-5-methylbenzoic acid
1-[(2E)-but-2-enyl]piperazine
1-[(2E)-but-2-enyl]piperazine
1-[(2E)-but-2-enoyl]-4-methoxypyrrolidine-2-carboxylic acid
1-[(2E)-but-2-enoyl]-4-methoxypyrrolidine-2-carboxylic acid
(E)-BUTEN-3-YNYL-2,6,6-TRIMETHYL-1-CYCLOHEXENE
(E)-BUTEN-3-YNYL-2,6,6-TRIMETHYL-1-CYCLOHEXENE
3-[(E)-2-BUTENOYL]-1,3-OXAZOLIDIN-2-ONE
3-[(E)-2-BUTENOYL]-1,3-OXAZOLIDIN-2-ONE
2-({[(2E)-but-2-enylamino]carbonyl}amino)-4-(methylthio)butanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-4-(methylthio)butanoic acid
2-[(2E)-but-2-enyloxy]benzonitrile
2-[(2E)-but-2-enyloxy]benzonitrile
2-[(2E)-but-2-enoylamino]-3-phenylpropanoic acid
2-[(2E)-but-2-enoylamino]-3-phenylpropanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)propanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)propanoic acid
3-[(2E)-but-2-enoyl]-1,3-thiazolidine-4-carboxylic acid
3-[(2E)-but-2-enoyl]-1,3-thiazolidine-4-carboxylic acid
2-[(2E)-but-2-enoylamino]-3-(1H-indol-3-yl)propanoic acid
2-[(2E)-but-2-enoylamino]-3-(1H-indol-3-yl)propanoic acid
1-({[(2E)-but-2-enylamino]carbonyl}amino)cyclopentanecarboxylic acid
1-({[(2E)-but-2-enylamino]carbonyl}amino)cyclopentanecarboxylic acid
3-[(2E)-but-2-enyloxy]benzaldehyde
3-[(2E)-but-2-enyloxy]benzaldehyde
2-({[(2E)-but-2-enylamino]carbonyl}amino)-3-phenylpropanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-3-phenylpropanoic acid
1-[(2E)-but-2-enoyl]piperidine-2-carboxylic acid
1-[(2E)-but-2-enoyl]piperidine-2-carboxylic acid
5-[(2E)-but-2-enylthio]-4-methyl-1,3-thiazol-2-amine
5-[(2E)-but-2-enylthio]-4-methyl-1,3-thiazol-2-amine
5-[(2E)-but-2-enylthio]-1,3-thiazol-2-amine
5-[(2E)-but-2-enylthio]-1,3-thiazol-2-amine
5-[(2E)-but-2-enoylamino]-2-hydroxybenzoic acid
5-[(2E)-but-2-enoylamino]-2-hydroxybenzoic acid
7-[(2E)-but-2-enoylamino]heptanoic acid
7-[(2E)-but-2-enoylamino]heptanoic acid
6-[(2E)-but-2-enoylamino]hexanoic acid
6-[(2E)-but-2-enoylamino]hexanoic acid
(E)-1-(But-1-enyl)cyclopropanamine
(E)-1-(But-1-enyl)cyclopropanamine
1-((E)-BUT-1-ENYL)-3-ETHYL-5-METHOXY-1H-INDOLE
1-((E)-BUT-1-ENYL)-3-ETHYL-5-METHOXY-1H-INDOLE
(E)-but-1-enyldiethylaluminium
(E)-but-1-enyldiethylaluminium
(E)-2-butenyl acetate
(E)-2-丁烯基乙酸酯
4-{[(2E)-but-2-enoylamino]methyl}benzoic acid
4-{[(2E)-but-2-enoylamino]methyl}benzoic acid
4-[(2E)-but-2-enoylamino]-2-hydroxybenzoic acid
4-[(2E)-but-2-enoylamino]-2-hydroxybenzoic acid
4-{4-[(2E)-but-2-enyloxy]phenyl}-1,2,3,6-tetrahydropyridine
4-{4-[(2E)-but-2-enyloxy]phenyl}-1,2,3,6-tetrahydropyridine
4-[(2E)-but-2-enoyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid
4-[(2E)-but-2-enoyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid
4-[(2E)-but-2-enylamino]butanoic acid
4-[(2E)-but-2-enylamino]butanoic acid
4-{4-[(2E)-but-2-enyloxy]phenyl}butan-2-one
4-{4-[(2E)-but-2-enyloxy]phenyl}butan-2-one
4-[(2E)-but-2-enyloxy]-3-ethoxybenzaldehyde
4-[(2E)-but-2-enyloxy]-3-ethoxybenzaldehyde
4-[(2E)-but-2-enyloxy]benzonitrile
4-[(2E)-but-2-enyloxy]benzonitrile
4-[(2E)-but-2-enyloxy]-3-methoxybenzoic acid
4-[(2E)-but-2-enyloxy]-3-methoxybenzoic acid
4-[(2E)-but-2-enoylamino]butanoic acid
4-[(2E)-but-2-enoylamino]butanoic acid
4-[(2E)-but-2-enyloxy]-3-methoxybenzaldehyde
4-[(2E)-but-2-enyloxy]-3-methoxybenzaldehyde
4-[(2E)-but-2-enoylamino]-3-methylbenzoic acid
4-[(2E)-but-2-enoylamino]-3-methylbenzoic acid
4-[(2E)-but-2-enyloxy]-3-methoxybenzonitrile
4-[(2E)-but-2-enyloxy]-3-methoxybenzonitrile
4-[(2E)-but-2-enoylamino]benzoic acid
4-[(2E)-but-2-enoylamino]benzoic acid
4-[(2E)-but-2-enyloxy]benzaldehyde
4-[(2E)-but-2-enyloxy]benzaldehyde
4-[(2E)-but-2-enyloxy]benzoic acid
4-[(2E)-but-2-enyloxy]benzoic acid
(E)-but-2-enal
(Z)-2-丁烯醛
3-[(E)-but-1-enoxy]propane-1,2-diol
3-[(E)-but-1-enoxy]propane-1,2-diol
1-[(2E)-but-2-enyl]piperidin-4-one oxime
1-[(2E)-but-2-enyl]piperidin-4-one oxime
4-[(2E)-But-2-Enyl]-2,6-Dimethyl-6H-1,3,5-Oxathiazine
4-[(2E)-But-2-Enyl]-2,6-Dimethyl-6H-1,3,5-Oxathiazine
(E)-BUT-2-ENYL-BETA-D-FRUCTOPYRANOSIDE
(E)-BUT-2-ENYL-BETA-D-FRUCTOPYRANOSIDE
3-[(2E)-but-2-enoylamino]propanoic acid
3-[(2E)-but-2-enoylamino]propanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-methylpropanoic acid
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-methylpropanoic acid
2-[(2E)-but-2-enoylamino]-4-(methylthio)butanoic acid
2-[(2E)-but-2-enoylamino]-4-(methylthio)butanoic acid
{4-[(2E)-but-2-enoylamino]phenyl}acetic acid
{4-[(2E)-but-2-enoylamino]phenyl}acetic acid
2-[(2E)-but-2-enoylamino]-4-chlorobenzoic acid
2-[(2E)-but-2-enoylamino]-4-chlorobenzoic acid
3-[(2E)-but-2-enyloxy]benzonitrile
3-[(2E)-but-2-enyloxy]benzonitrile
1-[(2E)-but-2-enyl]-1,4-diazepane
1-[(2E)-but-2-enyl]-1,4-diazepane
(E)-2-Butenoic acid 2-[N-heptyl-N-(2-hydroxypropyl)amino]ethyl ester
(E)-2-Butenoic acid 2-[N-heptyl-N-(2-hydroxypropyl)amino]ethyl ester
(E)-2-Butenoic acid 2-[N-butyl-N-(2-hydroxyhexyl)amino]ethyl ester
(E)-2-Butenoic acid 2-[N-butyl-N-(2-hydroxyhexyl)amino]ethyl ester
(E)-2-Butenoic acid 1-(hydroxymethyl)-2,3-dihydroxypropyl ester
(E)-2-Butenoic acid 1-(hydroxymethyl)-2,3-dihydroxypropyl ester
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