英文名称
1-[1-[2-hydroxy-3-(methoxymethyl)-3a,5-dimethyl-1-oxo-3b,4,6,6a,7,7a-hexahydrocyclopenta[a]pentalene-5-carbonyl]oxy-3a,5-dimethyl-3-methylidene-2-oxo-4,6,6a,7-tetrahydro-3bH-cyclopenta[a]pentalene-5-carbonyl]oxy-3a,5-dimethyl-3-methylidene-2-oxo-4,6,6a,7-tetrahydro-3bH-cyclopenta[a]pentalene-5-carboxylic acid