(2S,3R)-2,3-dimethyl-2-(3-oxobutyl)cyclohexan-1-one

1,2,3,4,5-pentakis-phenylbenzene

1,1-dimethyl-2,3-dihydrosilole

4,5-dimethylcyclopent-4-ene-1,3-dione

4-methyl-3,4-dihydrochromen-2-one