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6-BROMO-4-INDAZOLECARBOXYLIC ACID METHYL ESTER Methyl 6-bromonicotinate METHYL 6-FORMYLNICOTINATE methyl 6-chloropyrimidine-4-carboxylate Methyl 6-chloronicotinate 6-CHLORO-2-PICOLINIC ACID METHYL ESTER METHYL 6-CHLOROPYRIDAZINE-3-CARBOXYLATE Methyl 6-bromopicolinate Methyl 6-bromo-2-naphthoate 6-METHYLPYRAZINE-2-CARBOXYLIC ACID METHYL ESTER