6,7-二氟-1-甲基-4-氧代-4H-[1,3]噻嗪[3,2-a]并喹啉-3-羧酸乙酯
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PRULIFLOXACIN INTERMEDIATE 1;6,7-DIFLUORO-1-METHYL-4-OXO-4H-[1,3]THIAZETO[3,2-A]-3-QUINOLINE CARBOXYLIC ACID ETHYL ESTER;6,7-DIFLUORO-1-METHYL-4-OXO-4H-(1,3)THIAZETO(3,2-A)QUINOLINE-3-CARBOYLIC ACID ETHYL ESTER;6,7-DIFLUORO-1-METHYL-4-OXO-4H-2-THIA-8B-AZA-CYCLOBUTA[A]NAPHTHALENE-3-CARBOXYLIC ACID ETHYL ESTER