英文别名
methyl 2'-(4-methoxycarbonylbutyl)spiro[(3aR,8aR)-hexahydrocyclohepta-1,3-dioxole-2,1'-(2'S)-cyclopentane]-2'-carboxylate;methyl (1'S,3aR,8aR)-1'-(5-methoxy-5-oxopentyl)spiro[4,5,6,7,8,8a-hexahydro-3aH-cyclohepta[d][1,3]dioxole-2,2'-cyclopentane]-1'-carboxylate