(3aR,4R,5R,7S,8S,9R,9aS,12R)-2-diazo-5,8-dihydroxy-4,7,9,12-tetraMethyl-7-vinyloctahydro-4,9a-propanocyclopenta[8]annulen-3(3aH)-one | (3aR,4R,5R,7S,8S,9R,9aS,12R)-2-diazo-5,8-dihydroxy-4,7,9,12-tetraMethyl-7-vinyloctahydro-4,9a-propanocyclopenta[8]annulen-3(3aH)-one | |