决明蒽醌

6-methyl-1,2,3,3a,4,6-hexahydroinden-5-one

4-(benzenesulfonyl)-2-methyl-5-(phenoxymethyl)cyclohex-3-en-1-one

4-(benzenesulfonyl)-2-methyl-5-(phenoxymethyl)cyclohex-2-en-1-one

5-butyl-2-methylcyclohex-2-en-1-one