Butenoicacid
583366
2-Butenoicacid, 2-methyl-,5-(acetyloxy)-6-formyl-2,3,3a,4,5,8,9,11a-octahydro-10-(hydroxymethyl)-3-methylene-2-oxocyclodeca[b]furan-4-ylester, [3aS-[3aR*,4R*(Z),5R*,6E,10Z,11aS*]]-
584267
2-Butenoicacid, 4-androstan-17-ylidene-
585352
2-Butenoicacid, 2-methyl-,2,3,3a,4,5,9,9a,9b-octahydro-4,9-dihydroxy-6,9-dimethyl-3-methylene-2-oxoazuleno[4,5-b]furan-5-ylester, [3aR-[3aa,4a,5b(Z),9a,9aa,9bb]]-
600688
2-Butenoicacid, 2-methyl-, 2,3-dihydroxy-1-(7-methoxy-2-oxo-2H-1-benzopyran-6-yl)-3-methylbutylester, [R-[R*,S*-(Z)]]-
605298
2-Butenoicacid, 2-methyl-,10a-[(acetyloxy)methyl]-1a,2,3,5a,7,8,8a,9,10,10a-decahydro-3-hydroxy-4-methyl-8-methylene-7-oxooxireno[5,6]cyclodeca[1,2-b]furan-9-ylester, [1aS-[1aR*,3R*,4Z,5aS*,8aS*,9S*(Z),10aR*]]-
618308
2-Butenoicacid, 2-methyl-,2,3,3a,4,5,8,9,11a-octahydro-6,10-bis(hydroxymethyl)-3-methylene-2-oxocyclodeca[b]furan-4-ylester, [3aR-[3aR*,4S*(Z),6Z,10Z,11aR*]]-
619686
2-Butenoicacid, 2-methyl-, dodecahydro-5-hydroxy-10a-methyl-4,8-bis(methylene)-7-oxooxireno[5,6]cyclodeca[1,2-b]furan-9-yl ester,[1aR-[1aR*,5S*,5aS*,8aR*,9S*(Z),10aR*]]-
621025
2-Butenoicacid, 2-methyl-,dodecahydro-5,10-dihydroxy-6,10-dimethyl-3-methylene-4-[(3-methyl-1-oxo-2-butenyl)oxy]-2-oxo-5,8-epoxycyclodeca[b]furan-11-ylester, [3aR-[3aR*,4S*,5S*,6S*,8R*,10R*,11S*(Z),11aR*]]-
624514
2-Butenoicacid, 3-methyl-, 3-[2-(5,8-dihydro-5,8-dioxo-2-naphthalenyl)ethyl]-2,2-dimethyl-4-methylenecyclohexylester, cis-
630763
2-Butenoicacid, 2-methyl-,5'-(acetyloxy)-6'a-[(acetyloxy)methyl]dodecahydro-4'a,10'b-dimethyl-5-oxodispiro[furan-3(2H),3'-[3H]naphtho[2,1-b]pyran-7'(2'H),2''-oxiran]-6'-ylester, [3'R-[3'a,4'ab,5'a,6'b(E),6'ab,7'b,10'aa,10'bb]]-
637519
2-Butenoicacid, 4-hydroxy-2-methyl-,3,3a,4,5,8,9,11,13a-octahydro-8-hydroxy-12-methyl-3-methylene-8-(1-methylethyl)-2,9-dioxo-7H-11,6-ethanylylidene-2H-furo[2,3-e]oxacyclododecin-4-ylester, [3aR-[3aR*,4R*(E),8R*,11S*,12Z,13aR*]]-
637522
2-Butenoicacid, 4-hydroxy-2-(hydroxymethyl)-,3,3a,4,5,8,9,11,13a-octahydro-8-hydroxy-12-methyl-3-methylene-8-(1-methylethyl)-2,9-dioxo-7H-11,6-ethanylylidene-2H-furo[2,3-e]oxacyclododecin-4-ylester, [3aR-[3aR*,4R*(E),8R*,11S*,12Z,13aR*]]-
642691
2-Butenoicacid, 2-methyl-,1,6-dimethyl-9-(1-methylethenyl)-7-oxo-5,12-dioxatricyclo[9.1.0.04,6]dodecane-2,10-diylester, [1R-[1R*,2S*(Z),4S*,6R*,9S*,10S*(Z),11R*]]-
643981
2-Butenoicacid, 2-methyl-,dodecahydro-5,10-dihydroxy-6,10-dimethyl-3-methylene-4-(3-methyl-1-oxobutoxy)-2-oxo-5,8-epoxycyclododeca[b]furan-11-ylester, [3aR-[3aR*,4S*,5S*,6S*,8R*,10R*,11S*(Z),11aR*]]-
657128
2-Butenoicacid, 4-(acetyloxy)-2-methyl-,9-(chloromethyl)dodecahydro-8,9-dihydroxy-3,6-bis(methylene)-2-oxoazuleno[4,5-b]furan-4-ylester, [3aR-[3aa,4a(E),6aa,8b,9a,9aa,9bb]]-
666012
2-Butenoicacid, 2-methyl-,decahydro-7'-hydroxy-8'a-methyl-3'-methylene-2'-oxospiro[oxirane-2,6'(2'H)-oxireno[2,3]azuleno[4,5-b]furan]-4'-ylester, [3'aR-[3'aa,4'b(E),6'a,6'aa,7'b,7'ab,8'ab,8'ba,8'cb]]-
670343
2-Butenoicacid, 4-amino-4-oxo-, (E)-
676674
2-Butenoicacid, 2-methyl-,2,3,3a,4,5,6,9a,9b-octahydro-6-hydroxy-6,9-dimethyl-3-methylene-2-oxoazuleno[4,5-b]furan-5-ylester, [3aS-[3aa,5a(E),6a,9aa,9bb]]-
681074
2-Butenoicacid,3-[[(1,1-dimethylethoxy)carbonyl]amino]-,methylester,(2Z)-
688391
2-Butenoicacid, 4-[(4-methylphenyl)amino]-4-oxo-, (Z)-
693335
2-Butenoicacid, 2-methyl-, (1R,1aR,3R,3aS,6S,6aS,7R,10S,10aR)-1-[(acetyloxy)methyl]-1a,2,3,6,6a,7,10,10a-octahydro-6a,7-dihydroxy-1,3,5,8-tetramethyl-11-oxo-1H-3a,10-methanocyclopenta[a]cyclopropa[e]cyclodecen-6-yl ester, (2Z)-
697900
2-Butenoicacid, 3-methyl-,3,4,4a,4b,5,6,7,10,11,12,12a,13a-dodecahydro-2,8-dimethyl-12-methylene-5-(1-methylethyl)-3-oxo-2H-cyclodeca[4,5]furo[2,3-b]pyran-4-ylester, (2R*,4S*,4aS*,4bS*,5R*,8E,12aS*,13aR*)-(+)-
702433
3-Methyl-3-butenoicacid
708209
2-Butenoicacid, 2-methyl-,2,3,3a,4,5,5a,6,7,9a,9b-decahydro-5,6-dihydroxy-5a,9-dimethyl-3-methylene-2-oxonaphtho[1,2-b]furan-4-ylester, [3aS-[3aa,4a(Z),5b,5ab,6b,9aa,9bb]]-
708216
2-Butenoicacid, 2-methyl-,dodecahydro-5,6-dihydroxy-5a-methyl-3,9-bis(methylene)-2-oxonaphtho[1,2-b]furan-4-ylester, [3aS-[3aa,4a(Z),5b,5ab,6b,9aa,9bb]]-
715293
2-Butenoicacid, 2-methyl-,2,3,3a,4,5,8,9,11a-octahydro-3a-hydroxy-6,10-dimethyl-3-methylene-2,5-dioxocyclodeca[b]furan-4-ylester, [3aR-[3aR*,4R*(Z),6Z,10E,11aS*]]-
718462
2-Butenoicacid, 4-hydroxy-3-methyl-,2,3,5,7a-tetrahydro-7-[[[2-(hydroxymethyl)-1-oxo-2-butenyl]oxy]methyl]-1H-pyrrolizin-1-ylester, [1R-[1a(E),7(E),7ab]]-
719378
2-Butenoicacid, 4-(acetyloxy)-3-methyl-,1-[4-[(acetyloxy)methyl]-2,5-dihydro-2-(2-hydroxy-3-methoxy-2-methyl-3-oxopropylidene)-5-oxo-3-furanyl]-3-methyl-4-oxopentylester, [1S-[1R*(Z),1(R*),3R*]]-
723639
2-Butenoicacid, 4-bromo-3-methyl-, ethyl ester, (E)-
735953
2-Butenoicacid, 2-methyl-,8-(acetyloxy)-5,6,7,8-tetrahydro-6-hydroxy-1,2-dimethoxy-6,7-dimethyl-3-oxo-3H,14H-benzo[1,8]cycloocta[1,2,3-cd][1,3]dioxolo[4,5-g]benzofuran-5-ylester, [5S-[5a(Z),6b,7b,8b,14aR*]]-
751950
2-Butenoicacid, 4-hydroxy-2-(hydroxymethyl)-,2,3,3a,4,5,6,6a,7,9a,9b-decahydro-6a-hydroxy-9-methyl-3,6-bis(methylene)-2-oxoazuleno[4,5-b]furan-4-ylester, [3aR-[3aa,4b(E),6aa,9aa,9bb]]-
758070
2-Butenoicacid, 2-methyl-,dodecahydro-5,10-dihydroxy-6,10-dimethyl-3-methylene-2-oxo-5,8-epoxycyclodeca[b]furan-4,11-diylester, [3aR-[3aR*,4S*(Z),5S*,6S*,8R*,10R*,11S*(Z),11aR*]]-
758926
2-Butenoicacid, 2-methyl-,dodecahydro-4-(hydroxymethyl)-10a-methyl-8-methylene-3,7-dioxooxireno[5,6]cyclodeca[1,2-b]furan-9-ylester, [1aR-[1aR*,4S*,5aR*,8aS*,9R*(Z),10aR*]]-
761707
3-Butenoicacid,4-cyano-2-(hydroxyimino)-,methylester,(2Z,3E)-(9CI)
768122
2-Butenoicacid, 4-(acetyloxy)-2-methyl-,2,3,3a,4,5,6,6a,9,9a,9b-decahydro-6a,9-dihydroxy-9-methyl-3,6-bis(methylene)-2-oxoazuleno[4,5-b]furan-4-ylester, [3aR-[3aa,4b(Z),6aa,9b,9aa,9bb]]-
771096
2-Butenoicacid, 4-hydroxy-3-methyl-,9-(acetyloxy)-2,3,3a,4,5,8,9,11a-octahydro-6,10-dimethyl-3-methylene-2-oxocyclodeca[b]furan-4-ylester, [3aR-[3aR*,4R*(E),6E,9S*,10Z,11aS*]]-