71408-02-1
methyl 5-cyano-2-methyl-6-oxo-1H-pyridine-3-carboxylate
→
~99%
303146-25-0
6-氯-5-氰基-2-甲基烟酸甲酯
67-56-1
甲醇
+
919354-27-1
6-氯-5-氰基-2-甲基烟酰氯