(1aR,1bR,1cS,2aR,3S,3aS,6aS,6bR,7R,8R,8aS)-3,3a,6b-Trihydroxy-2a-(hydroxymethyl)-1,1,5,7-tetramethyl-8a-[(2-methylbutanoyl)oxy]-4-oxo-1a,1b,1c,2a,3,3a,4,6a,6b,7,8,8a-dodecahydro-1H-cyclopropa[5′,6′]be nzo[1′,2′:7,8]azuleno[5,6-b]oxiren-8-yl (2E)-2-methyl-2-butenoate

(1aR,1bR,1cS,2aR,3S,3aS,6aS,6bR,7R,8R,8aS)-3,3a,6b-Trihydroxy-2a-(hydroxymethyl)-1,1,5,7-tetramethyl-8a-[(2-methylbutanoyl)oxy]-4-oxo-1a,1b,1c,2a,3,3a,4,6a,6b,7,8,8a-dodecahydro-1H-cyclopropa[5′,6′]be nzo[1′,2′:7,8]azuleno[5,6-b]oxiren-8-yl (2E)-2-methyl-2-butenoate

(1aR,1bR,1cS,2aR,3S,3aS,6aS,6bR,7R,8R,8aS)-3,3a,6b-Trihydroxy-2a-(hydroxymethyl)-1,1,5,7-tetramethyl-8a-[(2-methylbutanoyl)oxy]-4-oxo-1a,1b,1c,2a,3,3a,4,6a,6b,7,8,8a-dodecahydro-1H-cyclopropa[5′,6′]be nzo[1′,2′:7,8]azuleno[5,6-b]oxiren-8-yl-(2E)-2-methyl-2-butenoat

(2E)-2-Méthyl-2-buténoate de (1aR,1bR,1cS,2aR,3S,3aS,6aS,6bR,7R,8R,8aS)-3,3a,6b-trihydroxy-2a-(hydroxyméthyl)-1,1,5,7-tétraméthyl-8a-[(2-méthylbutanoyl)oxy]-4-oxo-1a,1b,1c,2a,3,3a,4,6a,6b,7,8,8a-dodéc ahydro-1H-cyclopropa[5′,6′]benzo[1′,2′:7,8]azuléno[5,6-b]oxirén-8-yle

2-Butenoic acid, 2-methyl-, (1aR,1bR,1cS,2aR,3S,3aS,6aS,6bR,7R,8R,8aS)-1a,1b,1c,2a,3,3a,4,6a,6b,7,8,8a-dodecahydro-3,3a,6b-trihydroxy-2a-(hydroxymethyl)-1,1,5,7-tetramethyl-8a-(2-methyl-1-oxobutoxy)-4 -oxo-1H-cyclopropa[5′,6′]benz[1′,2′:7,8]azuleno[5,6-b]oxiren-8-yl ester, (2E)-