2-羟基-2-环己烯-1-酮

2-methoxycyclohex-2-en-1-one

2-phenylsulfanylcyclohex-2-en-1-one

9-甲基-2,3,4,9-四氢-1H-咔唑-1-酮

2-羟基-3-对甲苯-2-环己酮