Methyl 4-chloropicolinate Pyridine-2,6-dicarboxylic acid 6-Methyl-2-pyridinecarboxylic acid Dimethyl 2,6-Pyridinedicarboxylate 2,6-Pyridinedicarboxylic acid monomethyl ester 4-Chloropyridine-2-carboxylic acid 4-Chloro-2,6-dimethylpyridine 4-CHLORO-PYRIDINE-2,6-DICARBOXYLIC ACID 2-Pyridinecarboxylic acid, 6-formyl- (9CI) DIETHYL 4-CHLORO-2,6-PYRIDINEDICARBOXYLATE