HCID9817544Ethyl 1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylateCAS 98349-25-8 · CID 9817544 · C15H13F2NO3CCOC(=O)c1cn(C2CC2)c2cc(F)c(F)cc2c1=O查看