Ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-[3-(isobutyryloxy)azetidin-1-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylate
德拉沙星中间体2
CAS No. 442526-91-2
3-? Quinolinecarboxylic acid, 1-? (6-? amino-? 3,? 5-? difluoro-? 2-? pyridinyl)? -? 6-? fluoro-? 1,? 4-? dihydro-? 7-? [3-? (2-? methyl-? 1-? oxopropoxy)? -? 1-? azetidinyl]? -? 4-? oxo-? , ethyl ester
德拉沙星;德拉沙星中间体