1-环丙基-6,8-二氟-7-(3-甲基哌嗪-1-基)-4-氧代-1,4-二氢喹啉-3-羧酸

[1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-(oxo-κO)-3-quinoline-carboxylato-κO3]difluoroboron