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9-氟-3-甲基-10-(4-甲基-1-哌嗪基)-7-氧-2,3-二氢-7H-吡啶并[1,2,3-de][1,4]苯并噁嗪-6-羧酸
9-Fluoro-3-methyl-10- (4-methyl-1-piperazinyl) -7-oxo-2,3-dihydro-7H-pyrido [1,2,3-de] [1 , 4] benzoxazine-6-carboxylic acid