16,17-二氢环戊烯并[a]菲-15-酮

methyl 6,7,11,12,16,17-hexahydro-13H-cyclopenta[a]phenanthrene-13-carboxylate

7-(1-naphthyl)-bicyclo[3.2.0]hept-2-en-6-one

6,7,16,17-tetrahydrocyclopenta[a]phenanthren-15-one

2-[2-(1-naphthyl)ethyl]cyclopentaone