126769-29-7
→
~85%
126769-30-0
methyl 4-(dimethylamino)-6-formylpyridine-2-carboxylate
138-60-3
4-氧代-1,4-二氢-2,6-吡啶二甲酸
4722-94-5
4-氯吡啶-2,6-二羧酸
5371-70-0
4-氯吡啶-2,6-二羧酸甲酯