103724-96-5
4,4-Dichloro-1,2-dimethylcyclopentene
→
~73%
103724-97-6
4-Chloro-1,2-dimethylcyclopentene
576-22-7
2-溴-1,3-二甲苯
6781-98-2
2-氯-1,3-二甲苯