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StructureChemical NameCASMF
2-[(2E)-but-2-enoylamino]propanoic acid C7H11NO3
1-[(2E)-but-2-enoyl]piperazine C8H14N2O
2-[(2E)-but-2-enylthio]aniline C10H13NS
2-[(2E)-but-2-enoylamino]-5-chlorobenzoic acid C11H10ClNO3
1-[(2E)-but-2-enoyl]-1,4-diazepane C9H16N2O
E-2-BUTENOICACID3-(DIETHOXYPHOSPHINOTHIONYL)ETHYLETHER C10H20O10P2
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-methylbutanoic acid C10H18N2O3
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-cyclopropylpropanoic acid C11H18N2O3
2-({[(2E)-but-2-enylamino]carbonyl}amino)-4-methylpentanoic acid C11H20N2O3
2-[(2E)-but-2-enoylamino]benzoic acid C11H11NO3
2-[(2E)-but-2-enoylamino]-4-fluorobenzoic acid C11H10FNO3
2-[(2E)-but-2-enoyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid C14H15NO3
1-[(2E)-but-2-enoyl]octahydro-1H-indole-2-carboxylic acid C13H19NO3
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-phenylpropanoic acid C14H18N2O3
(E)-2-BUTENEDIOIC ACID AND ETHENYLBENZENE) 116048-67-0 C17H20O6
(2E)-2-Butenedioic acid polymer with 1,2-ethanediol and 1,6-hexanediol 117601-69-1
(E)-BUT-2-ENYL-SS-D-FRUCTOPYRANOSIDE
2-[(2E)-but-2-enoylamino]-3-methylpentanoic acid C10H17NO3
(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, 116736-81-3 (C9H4O5.C4H4O4.(C3H6O)n(C3H6O)nC15H16O2.(C2H4O)n(C2H4O)nC15H16O2)x
1-({[(2E)-but-2-enylamino]carbonyl}amino)cyclohexanecarboxylic acid C12H20N2O3
1-{3-[(2E)-but-2-enyloxy]phenyl}ethanone C12H14O2
（E)-2-Butenedioic Acid Mono-ET Ester Of Food Preservation And Fumigant Insecticide
1-{4-[(2E)-but-2-enyloxy]-3-methoxyphenyl}ethanone C13H16O3
1-[(2E)-but-2-enoyl]-4-hydroxypyrrolidine-2-carboxylic acid C9H13NO4
2-[(2E)-but-2-enoylamino]-3-methylbutanoic acid C9H15NO3
2-[(2E)-but-2-enylthio]benzoic acid C11H12O2S
3-[(2E)-but-2-enylthio]propanoic acid C7H12O2S
1-[(2E)-but-2-enoylamino]cyclohexanecarboxylic acid C11H17NO3
Crotylamine 56930-04-2 C4H9N
Diethyl fumarate 623-91-6 C8H12O4
trans-Methyl crotonate 623-43-8 C5H8O2
(E)-2-Butenoyl chloride 625-35-4 C4H5ClO
(E)-1-(But-2-en-2-yl)cyclopropanamine 885268-23-5 C7H13N
2-[(2E)-but-2-enoylamino]-3-hydroxybutanoic acid C8H13NO4
2-[(2E)-but-2-enoylamino]-4,5-dimethoxybenzoic acid C13H15NO5
2-[(2E)-but-2-enyloxy]benzoic acid C11H12O3
3-[(2E)-but-2-enyl(phenyl)amino]propanenitrile C13H16N2
1-[(2E)-but-2-enoyl]piperidine-3-carboxylic acid C10H15NO3
{4-[(2E)-but-2-enyloxy]phenyl}acetonitrile C12H13NO
2-[(2E)-but-2-enoylamino]-5-fluorobenzoic acid C11H10FNO3
2-[(2E)-but-2-enoylamino]-3-(1H-imidazol-4-yl)propanoic acid C10H13N3O3
(E)-1-(BUT-2-EN-2-YL)CYCLOPROPANAMINE C7H13N
(E)-1-(BUT-1-ENYL)CYCLOPROPANAMINE C7H13N
((E)-BUT-1-EN-3-YNYL)-BENZENE 146276-26-8 C10H8
1-[(2E)-but-2-enyl]piperidin-4-one C9H15NO
2-[(2E)-but-2-enoylamino]-5-methylbenzoic acid C12H13NO3
1-[(2E)-but-2-enyl]piperazine C8H16N2
1-[(2E)-but-2-enoyl]-4-methoxypyrrolidine-2-carboxylic acid C10H15NO4
(E)-BUTEN-3-YNYL-2,6,6-TRIMETHYL-1-CYCLOHEXENE 73395-75-2 C13H18
3-[(E)-2-BUTENOYL]-1,3-OXAZOLIDIN-2-ONE 109299-92-5 C7H9NO3
2-({[(2E)-but-2-enylamino]carbonyl}amino)-4-(methylthio)butanoic acid C10H18N2O3S
2-[(2E)-but-2-enyloxy]benzonitrile C11H11NO
2-[(2E)-but-2-enoylamino]-3-phenylpropanoic acid C13H15NO3
2-({[(2E)-but-2-enylamino]carbonyl}amino)propanoic acid C8H14N2O3
3-[(2E)-but-2-enoyl]-1,3-thiazolidine-4-carboxylic acid C8H11NO3S
2-[(2E)-but-2-enoylamino]-3-(1H-indol-3-yl)propanoic acid C15H16N2O3
1-({[(2E)-but-2-enylamino]carbonyl}amino)cyclopentanecarboxylic acid C11H18N2O3
3-[(2E)-but-2-enyloxy]benzaldehyde C11H12O2
2-({[(2E)-but-2-enylamino]carbonyl}amino)-3-phenylpropanoic acid C14H18N2O3
1-[(2E)-but-2-enoyl]piperidine-2-carboxylic acid C10H15NO3
5-[(2E)-but-2-enylthio]-4-methyl-1,3-thiazol-2-amine C8H12N2S2
5-[(2E)-but-2-enylthio]-1,3-thiazol-2-amine C7H10N2S2
5-[(2E)-but-2-enoylamino]-2-hydroxybenzoic acid C11H11NO4
7-[(2E)-but-2-enoylamino]heptanoic acid C11H19NO3
6-[(2E)-but-2-enoylamino]hexanoic acid C10H17NO3
(E)-1-(But-1-enyl)cyclopropanamine 885268-19-9 C7H13N
1-((E)-BUT-1-ENYL)-3-ETHYL-5-METHOXY-1H-INDOLE C15H19NO
(E)-but-1-enyldiethylaluminium 68900-85-6 C8H17Al
(E)-2-butenyl acetate 7204-29-7 C6H10O2
4-{[(2E)-but-2-enoylamino]methyl}benzoic acid C12H13NO3
4-[(2E)-but-2-enoylamino]-2-hydroxybenzoic acid C11H11NO4
4-{4-[(2E)-but-2-enyloxy]phenyl}-1,2,3,6-tetrahydropyridine C15H19NO
4-[(2E)-but-2-enoyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid C13H13NO4
4-[(2E)-but-2-enylamino]butanoic acid C8H15NO2
4-{4-[(2E)-but-2-enyloxy]phenyl}butan-2-one C14H18O2
4-[(2E)-but-2-enyloxy]-3-ethoxybenzaldehyde C13H16O3
4-[(2E)-but-2-enyloxy]benzonitrile C11H11NO
4-[(2E)-but-2-enyloxy]-3-methoxybenzoic acid C12H14O4
4-[(2E)-but-2-enoylamino]butanoic acid C8H13NO3
4-[(2E)-but-2-enyloxy]-3-methoxybenzaldehyde C12H14O3
4-[(2E)-but-2-enoylamino]-3-methylbenzoic acid C12H13NO3
4-[(2E)-but-2-enyloxy]-3-methoxybenzonitrile C12H13NO2
4-[(2E)-but-2-enoylamino]benzoic acid C11H11NO3
4-[(2E)-but-2-enyloxy]benzaldehyde C11H12O2
4-[(2E)-but-2-enyloxy]benzoic acid C11H12O3
(E)-but-2-enal 15798-64-8 C4H6O
3-[(E)-but-1-enoxy]propane-1,2-diol 63991-93-5 C7H14O3
1-[(2E)-but-2-enyl]piperidin-4-one oxime C9H16N2O
4-[(2E)-But-2-Enyl]-2,6-Dimethyl-6H-1,3,5-Oxathiazine C9H15NOS
(E)-BUT-2-ENYL-BETA-D-FRUCTOPYRANOSIDE C10H18O6
3-[(2E)-but-2-enoylamino]propanoic acid C7H11NO3
2-({[(2E)-but-2-enylamino]carbonyl}amino)-2-methylpropanoic acid C9H16N2O3
2-[(2E)-but-2-enoylamino]-4-(methylthio)butanoic acid C9H15NO3S
{4-[(2E)-but-2-enoylamino]phenyl}acetic acid C12H13NO3
2-[(2E)-but-2-enoylamino]-4-chlorobenzoic acid C11H10ClNO3
3-[(2E)-but-2-enyloxy]benzonitrile C11H11NO
1-[(2E)-but-2-enyl]-1,4-diazepane C9H18N2
(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 1-(hydroxymethyl)-2,3-dihydroxypropyl ester C8H14O5
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141