1178583-12-4
6-chloro-[1,2,4]triazolo[4,3-b]pyridazin-3-ylamine hydrobromide
→
53890-39-4
6-氯[1,2,4]噻唑并[4,3-b]吡嗪-3-胺
17284-97-8
3-氯-6-肼基哒嗪
+
506-68-3
溴化氰