2-acetyl-3-hydroxycyclohex-2-en-1-one

1-苯基-3-甲基-6,7-二氢-1氢-吲哚-4(5氢)-酮

3-(4-chloroanilino)cyclohex-2-en-1-one

3-ethylcyclohex-2-en-1-one

3-叔-丁基环己-2-烯-1-酮