137234-85-6
2,4-二氯-6-乙基-5-氟嘧啶
→
137234-87-8
6-乙基-5-氟嘧啶-4(3H)酮
100-39-0
溴化苄
+
188416-31-1
188416-27-5
2-氯-6-乙基-5-氟-4-羟基嘧啶胺盐