19-norandrostane

[6-3H]chrysene

5,11-dimethyl-7,8,9,10,10a,10b,11,12-octahydro-6aH-chrysen-6-one

1'-hydroxy-2-methylspiro[indan-1,2'-tetralin]

7'-ethyl-3',4'-dihydrospiro-1'-ol