7-氟-1-甲基-5-氧代-8-(1-哌嗪基)-5H-噻唑并[3,2-a]喹啉-4-羧酸水合物 (2:1)

7-fluoro-1-methyl-8-(4-methylpiperazin-1-yl)-5-oxo-[1,3]thiazolo[3,2-a]quinoline-4-carboxylic acid