108115-66-8
ethyl 3-(4-fuoroanilino)-2-(2,4,5-trifuorobenzoyl)acrylate
→
108138-16-5
1-(p-fluorophenyl)-6,7-difluoro-1,4-dihydro-4-oxo-quinoline-3-carboxylic acid ethyl ester
98106-17-3
双氟沙星
98105-99-8
沙拉沙星
103994-99-6
6,7-二氟-1-(4-氟苯基)-4-氧代-1,4-二氢喹啉-3-羧酸