英文别名
8-methoxy-3a-methyl-3-oxo-3,3a,4,5-tetrahydro-2H-benz[b]indeno[5,4-d]furan-1-carboxylic acid ethyl ester;8-Methoxy-3a-methyl-3-oxo-3,3a,4,5-tetrahydro-2H-benz[b]indeno[5,4-d]furan-1-carbonsaeure-aethylester;15-Aethoxycarbonyl-14,15-dehydro-B-nor-6-oxa-equilenin-methylester