80370-42-9
2-甲酰基-3-氧代丙酸乙酯
+
33278-46-5
4-吡啶甲脒
→
~15%
259807-46-0
ethyl 2-pyridin-4-ylpyrimidine-5-carboxylate
6345-27-3
4-甲脒基吡啶水合盐酸盐
100-48-1
4-氰基吡啶
204394-36-5
ethyl 4-chloro-2-pyridin-4-ylpyrimidine-5-carboxylate
87-13-8
乙氧基甲叉丙二酸二乙酯
56406-44-1
6-氧代-2-(吡啶-4-基)-1,6-二氢嘧啶-5-羧酸乙酯
729589-44-0
(2-pyridin-4-ylpyrimidin-5-yl)methanol