1,2,7,8-tetrahydro-asymm-indacen-3(6H)-one

3-(2,3-dihydro-1H-inden-4-yl)propanoic acid

opt.-inakt. 1,2,3,3a,4,5,5a,6,7,8-Decahydro-as-indacen-carbonsaeure-(4)

反,反,顺-1,5,9-环十二烷基三烯