51103-57-2 8,11a-Methano-11aH-cyclohepta(a)naphthalene-4,9-dimethanol, tetradecahydro-3,9-dihydroxy-4,11b-dimethyl-, alpha9-acetate, (3alpha,4alpha,4aalpha,6abeta,8beta,9beta,11abeta,11bbeta)- Aphidicolin-17-acetate Aphidicolin-17-monoacetate