氯化对硝基苯甲酰

3-Methyl-2-(4-methyl-pent-3-enyl)-cyclohex-2-enol

2-甲基-4-羰基-2-环己烯-1-羧酸乙酯

5-溴-2-甲基-2-戊烯

3-methyl-2-(4-methylpent-3-en-1-yl)cyclohex-2-enone