acetic anhydride
C32H42O7
(2Z,4E,6E)-Deca-2,4,6-trienoic acid (1aR,1bS,4aR,7aS,7bR,8R,9R,9aS)-9a-acetoxy-7b-hydroxy-3-hydroxymethyl-1,1,6,8-tetramethyl-5-oxo-1a,1b,4,4a,5,7a,7b,8,9,9a-decahydro-1H-cyclopropa[3,4]benzo[1,2-e]azulen-9-yl ester
Acetic acid (1aR,1bS,4aS,7aR,7bS,8R,9R,9aS)-5,9-diacetoxy-3-acetoxymethyl-7b-hydroxy-1,1,6,8-tetramethyl-1,1a,1b,4,4a,5,7a,7b,8,9-decahydro-cyclopropa[3,4]benzo[1,2-e]azulen-9a-yl ester
Acetic acid (1aR,1bS,4aS,7aR,7bS,8R,9R,9aS)-9-acetoxy-3-acetoxymethyl-5,7b-dihydroxy-1,1,6,8-tetramethyl-1,1a,1b,4,4a,5,7a,7b,8,9-decahydro-cyclopropa[3,4]benzo[1,2-e]azulen-9a-yl ester