67-56-1
甲醇
+
98138-06-8
4,6-dichloro-pyridine-2-carbonyl chloride
→
98273-19-9
4,6-二氯-2-吡啶甲酸甲酯
6317-46-0
1-ethyl-4-oxo-pyridine-2,6-dicarboxylic acid
41600-42-4
1-methyl-4-oxopyridine-2,6-dicarboxylic acid
99-32-1
白屈菜酸
98-98-6
2-吡啶甲酸
24484-93-3
4-氯吡啶-2-甲酸甲酯