4-氯吡啶-2,6-二羧酸甲酯

4-羟基吡啶-2,6-二甲酸

4-chloro-6-methoxycarbonylpyridine-2-carboxylic acid

methyl 4-(dimethylamino)-6-formylpyridine-2-carboxylate

4-氨基吡啶-2,6-二羧酸盐酸盐