3-(1,3-benzodioxol-5-yl)cyclohex-2-en-1-ol

2-环己烯-1-酮

4-benzyl-3-methylcyclohex-2-en-1-one

3-(2-trimethylsilylethynyl)cyclohex-2-en-1-one

3-ethynylcyclohex-2-en-1-one