1401223-74-2
(Z)-N'-(2-chloroacetoxy)pyrazine-2-carboximidamide
→
~81%
114346-91-7
[5-(氯甲基)-1,2,4-噁二唑-3-基]吡嗪
51285-05-3
吡嗪-2-甲胺肟
19847-12-2
2-氰基吡嗪