Methyl 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-3-quinol inecarboxylate

恩诺沙星

环丙羧酸

环丙沙星盐酸盐

2,4-二氯-5-氟-Β-氧代苯丙酸乙酯