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ETHYL 4-HYDROXY-6-METHOXYQUINOLINE-3-CARBOXYLATE Oxolinic acid 4-HYDROXY-7-METHOXYQUINOLINE-3-CARBOXYLIC ACID (S)-1-Boc-3-methylpiperazine 4-HYDROXY-8-METHOXY-QUINOLINE-3-CARBOXYLIC ACID ETHYL ESTER 4-HYDROXY-6-METHOXYQUINOLINE 6-Methoxyquinoline Decoquinate 4-hydroxy-6,7-dimethoxyquinoline-3-carboxylic acid AURORA 17941