17249-79-5
2,3-二氯噻吩
→
83663-36-9
5-Bromo-2,3-dichlorothiophene
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