4,4-dimethyl-7,8-diphenylbicyclo[5.2.0]nonane-2,6,9-trione

ethyl 2-(5,5-dimethylcyclohex-2-en-1-yl)acetate

3-(4-bromoanilino)-5,5-dimethylcyclohex-2-en-1-one

2-(5,5-dimethylcyclohex-2-en-1-yl)ethanol,4-methylbenzenesulfonic acid

1,1,3-三甲基环己烷