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Description CAS Number Molecular Formula
2-Butenamide,4-(dimethylamino)-(9CI) 193404-79-4 C6H12N2O
BUT-3-ENE-1-OL C4H8O
3-Butenoic acid, 2-[(ethoxycarbonyl)amino]- 850144-92-2 C7H11NO4
1-Buten-2-ol, 1-bromo-3-methyl- 82687-37-4 C5H9BrO
2-Butenoic acid, 3-[(ethoxycarbonyl)amino]-, methyl ester 152900-47-5 C8H13NO4
3-Buten-2-one, 1,1-dichloro-3-methyl- 855233-40-8 C5H6Cl2O
2-Buten-1-one, 2-amino-1-phenyl- 115975-53-6 C10H11NO
3-Buten-2-one, 1-(2-methyl-1,3-dioxolan-2-yl)- 127600-04-8 C8H12O3
3-Buten-2-one, 4-amino-1,1,1-trifluoro-4-(methylamino)- 128648-80-6 C5H7F3N2O
3-Butenamide, N,N-diethyl-3-methylthio- (8CI) 31333-58-1 C9H17NS
3-Butenoic acid, 3-amino-2-(1-methylethyl)-, methyl ester 780771-49-5 C8H15NO2
4-(3-butenylsulfanyl)-4'-(1-propynyl)-1,1'-biphenyl 337470-43-6 C19H18S
2-BUTENE-1,4-DIOL 821-11-4 C4H8O2
3-BUTEN-2-OL 598-32-3 C4H8O
3-BUTENYLMAGNESIUM BROMIDE 7103-09-5 C4H7BrMg
4-Phenyl-1-butene 768-56-9 C10H12
3-BUTENE-1,2-DIOL 497-06-3 C4H8O2
1-BUT-3-ENYL-2-VINYL-BENZENE 66657-91-8 C12H14
Methyl vinyl ketone 78-94-4 C4H6O
3-(but-2-enyl)-2-methyl-4-oxocyclopent-2-enyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate 25402-06-6 C20H28O3
but-2-enylene bisacrylate 18621-76-6 C10H12O4
3-Buten-2-one, 4-(ethylimino)- (9CI) 125032-47-5 C6H9NO
3-Buten-2-one, 3-hydroxy-4-methoxy- (6CI) 99419-34-8 C5H8O3
3-Buten-2-one, 4-[(1,1-dimethylethyl)amino]-, (E)- (9CI) 65305-36-4 C8H15NO
3-Buten-2-one, 4-cyclopropyl-4-methoxy- (9CI) 138588-51-9 C8H12O2
2-Butenimidamide, 2-acetyl-3-hydroxy- (9CI) 765234-05-7 C6H10N2O2
2-Butenenitrile, 2-acetyl-3-amino-, (2Z)- (9CI) 497084-15-8 C6H8N2O
3-Buten-2-one, 4-(methylthio)- (9CI) 66894-64-2 C5H8OS
3-Buten-2-one, 4-[(1-methylethyl)amino]- (9CI) 59951-30-3 C7H13NO
3-Buten-2-one, 3-methyl-4-nitro-, (3E)- (9CI) 149795-00-6 C5H7NO3
2-Butenenitrile, 2-acetyl-3-hydroxy-, (2Z)- (9CI) 110788-68-6 C6H7NO2
3-Buten-2-one, 4-(3-butenylamino)- (9CI) 114634-44-5 C8H13NO
3-Buten-2-one, 4-(3-methyloxiranyl)-, [2S-[2alpha(E),3beta]]- (9CI) 201035-61-2 C7H10O2
2-Butenoic acid, 3-hydroxy-, methyl ester (9CI) 34136-04-4 C5H8O3
3-Buten-2-one, 3-nitro- (9CI) 286402-79-7 C4H5NO3
3-Buten-2-one, 4-(2-propenylamino)- (9CI) 359779-76-3 C7H11NO
3-Buten-2-one, 3-methyl-4-(methylthio)-, (E)- (9CI) 128307-46-0 C6H10OS
3-Buten-2-one, 4-methoxy-3-methyl-, (3E)- (9CI) 56279-34-6 C6H10O2
3-Buten-2-one, 4-(ethylamino)-, (Z)- (8CI,9CI) 21477-63-4 C6H11NO
3-Buten-2-one, 4-ethoxy-4-(methylamino)-, (E)- (9CI) 200862-14-2 C7H13NO2
3-Buten-1-one, 2-chloro-1-cyclohexyl- (9CI) 77131-93-2 C10H15ClO
3-BUTEN NITRIDE C4H7N*
1-Butene, 3,3,4,4-tetrafluoro- 40723-71-5 C4H4F4
2-Butenedioic acid (2E)-, polymer with butyl 2-propenoate and methyl 2 -propenoate 63744-77-4 C15H22O8
2-Butenedioic acid, 2,3-bis[(trimethylsilyl)oxy]-, bis(trimethylsilyl) ester, (Z)- 55887-89-3 C16H36O6Si4
2-Butenoic acid, 4-oxo-4-(3,4,5-trimethoxyphenyl)-, (E)-, compd. with piperidine (1:1) 84386-16-3 C18H25NO6
3-Butene-2-one, 4-(methyl(1-methylethylidene)hydrazino)- 63262-98-6 C8H14N2O
3-Butenyl p-tolyl sulphone 17482-19-8
but-2-enedioic acid, [1-(7,10-dioxabicyclo[4.4.0]deca-1,3,5-trien-9-yl methyl)-4-piperidyl]-(4-methoxyphenyl)methanone 76362-13-5 C26H29NO8
but-2-enedioic acid, 2-methylsulfanyl-N-(1-phenethyl-4-piperidyl)-N-ph enyl-acetamide 130820-22-3 C26H32N2O5S
but-2-enedioic acid, 8-[(2-methoxy-7,10-dioxabicyclo[4.4.0]deca-2,4,11 -trien-9-yl)methyl]-1-thia-4,8-diazaspiro[4.5]decan-3-one 36913-71-0 C21H26N2O8S
2-Butenoicacid,4-(3,5-dimethyl-1H-pyrazol-1-yl)-4-oxo-(9CI) 545350-65-0 C9H10N2O3
2-Buten-1-one,3-methyl-1-(2,3,4-trihydroxyphenyl)-(9CI) 101135-75-5 C11H12O4
2-Buten-1-amine,2-methoxy-N,N,3-trimethyl-(9CI) 344410-15-7 C8H17NO
3-Butenoicacid,2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-methyl-,(2S)-(9CI) 269742-33-8 C10H17NO4
3-Buten-1-one,1-(3-pyridinyl)-(9CI) 127686-60-6 C9H9NO
2-Butenoicacid,3-[4-(2-methylpropyl)phenyl]-(9CI) 91121-60-7 C14H18O2
3-Buten-2-ol,4-(4-pyridinyl)-(9CI) 376369-91-4 C9H11NO
2-Butenoicacid,4-[(2,6-dimethyl-4-pyrimidinyl)amino]-4-oxo-(9CI) 797781-10-3 C10H11N3O3
2-Buten-1-amine,N-methyl-N-2-propynyl-(9CI) 151391-52-5 C8H13N
3-Butenoicacid,2-amino-4-fluoro-2-methyl-,(3Z)-(9CI) 752202-54-3 C5H8FNO2
2-Butenoicacid,3-[[(1,1-dimethylethoxy)carbonyl]amino]-(9CI) 232931-07-6 C9H15NO4
3-Buten-2-one,1-(2-benzothiazolyl)-(9CI) 215503-85-8 C11H9NOS
2-Butenamide,2-fluoro-4-hydroxy-N,N-dimethyl-,(E)-(9CI) 197096-97-2 C6H10FNO2
3-Butenenitrile,4-(4-fluorophenyl)-(9CI) 692263-11-9 C10H8FN
1-Buten-1-amine,3-methyl-N,N-di-2-propenyl-(9CI) 663154-27-6 C11H19N
3-Butenoicacid,2-[[(1,1-dimethylethoxy)carbonyl]amino]-2-methyl-,(2R)-(9CI) 263017-10-3 C10H17NO4
2-Butenenitrile,3-(4-fluorophenyl)-,(Z)-(9CI) 144477-79-2 C10H8FN
3-Buten-2-one,1-(1-methyl-2-cyclopenten-1-yl)-(9CI) 750601-62-8 C10H14O
3-Buten-2-ol,4-(4-pyridinyl)-,(E)-(9CI) 133080-46-3 C9H11NO
2-Butenenitrile,3-(6,6-dimethylbicyclo[3.1.0]hex-3-yl)-,(1-alpha-,3-alpha-,5-alpha-)-(9CI) 213529-80-7 C12H17N
3-Butenoicacid,4-(2-benzothiazolyl)-(7CI) 91137-33-6 C11H9NO2S
3-Buten-2-one,1-(2-pyridyl)-(6CI) 103441-64-1 C9H9NO
2-Butenal,1H-benzimidazol-2-ylhydrazone(9CI) 454201-74-2 C11H12N4
3-Butenoicacid,2-[[(1,1-dimethylethoxy)carbonyl]amino]-(9CI) 171077-04-6 C9H15NO4
2-Butenoic acid, 4-(4-hydroxy-3-methoxyphenyl)-4-oxo-, (E)- 86690-98-4
3-Buten-2-one, 3-(2-(3-(diethylamino)propoxy)phenoxy)-4-phenyl-, hydro chloride, (Z)- 106064-08-8
3-Buten-2-one, 4-(benzoyloxy)- 81450-80-8
but-2-enedioic acid, 2-[2-(dimethylaminomethyl)phenyl]sulfanylbenzene- 1,4-diol 127906-29-0 C19H21NO6S
but-2-enedioic acid, 3-[3-(2-methoxyphenoxy)pyrrolidin-1-yl]propyl N-p henylcarbamate 23044-19-1 C25H30N2O8
3-Buten-2-one,4-(4-ethoxyphenyl)-,oxime(9CI) 398132-88-2 C12H15NO2
3-Buten-2-ol,4-(2-pyridinyl)-,(E)-(9CI) 133080-43-0 C9H11NO
2-Butenoicacid,4-(1-ethyl-1H-pyrrol-2-yl)-2-hydroxy-4-oxo-(9CI) 251923-31-6 C10H11NO4
2-Butenoicacid,3-amino-2-nitro-,methylester,(E)-(9CI) 120697-14-5 C5H8N2O4
3-Buten-2-one,4-(1-methyl-1H-imidazol-2-yl)-(9CI) 667939-97-1 C8H10N2O
2-Butene,1-p-cumenyl-(7CI) 96653-04-2 C13H18
3-Butenoicacid,2-[[(1,1-dimethylethoxy)carbonyl]amino]-4-fluoro-,[S-(Z)]- 174075-49-1 C9H14FNO4
2-Butenoicacid,4-[[(1,1-dimethylethoxy)carbonyl]amino]-,methylester,(2Z)- 479672-37-2 C10H17NO4
2-Butenoicacid,2-methyl-3-(4-methylphenyl)-,(E)-(9CI) 61712-17-2 C12H14O2
2-Butenoicacid,(1R,5R)-3,3,5-trimethylcyclohexylester,rel-(9CI) 828912-43-2 C13H22O2
2-Butenoicacid,4-cyclohexyl-3-fluoro-,methylester,(2Z)-(9CI) 769133-36-0 C11H17FO2
2-Butenedioicacid(2Z)-,mono[(3-ethyl-3-oxetanyl)methyl]ester(9CI) 819868-40-1 C10H14O5
3-Butenoicacid,4-cyano-2-(hydroxyimino)-,methylester,(2Z,3E)-(9CI) 465548-49-6 C6H6N2O3
3-Butenoicacid,2-amino-4-cyano-2-methyl-,(E)-(9CI) 73838-87-6 C6H8N2O2
Crotonic acid 3724-65-0 C4H6O2
2-(but-2-enyloxy)benzamide C11H13NO2
4-(but-3-en-1-yloxy)-N-(2-cyanophenyl)butanamide C15H18N2O2
5-(but-3-en-1-yloxy)-2-nitrobenzoic acid C11H11NO5
3-Buten-2-one, 4-ethoxy-1,1-difluoro-, (3E)- 285135-89-9 C6H8F2O2
2-Butenoic acid, 2-chloro-3-hydroxy-, methyl ester, radical ion(1+), (2E)- 935744-33-5 C5H7ClO3
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