83663-36-9
5-Bromo-2,3-dichlorothiophene
+
79-04-9
一氯代乙酰氯
→
64218-50-4
2-氯-1-(4,5-二氯-2-噻吩)-1-乙酮
83663-37-0
2-Bromo-3-chloroacetyl-4,5-dichlorothiophene