70593-56-5
2,4-二氯烟酰胺
→
~83%
180995-12-4
2,4-二氯-3-氰基吡啶
869802-74-4
2-chloro-3-cyano-4-hydroxypyridine
~64%
40899-41-0
methyl 4-methoxy-1-oxidopyridin-1-ium-3-carboxylate
89791-95-7
180995-11-3
21642-98-8
4-甲氧基-2-氧代-1,2-二氢-3-氰基吡啶
89694-06-4
4-methoxy-1-oxy-nicotinamide