3-methyl-2,2a,3,4-tetrahydro-1H-benz[j]aceanthrylen-5-one

(4-methoxy-[1]naphthyl)-(7-methyl-indan-4-yl)-ketone

1-[2-(8-methyl-acenaphthen-3-yl)-ethyl]-2-oxo-cyclohexanecarboxylic acid ethyl ester

(4-chloro-[1]naphthyl)-(7-methyl-indan-4-yl)-ketone

20-Methyl-2-oxo-2,3,4,5,6,7-hexahydro-cholanthren