3-Quinolinecarboxylic acid, 1-(6-amino-3,5-difluoro-2-pyridinyl)-8-chloro-6,7-difluoro-1,4-dihydro-4-oxo-, ethyl ester
德拉沙星中间体4 240278
CAS No: 189279-51-4
quinolinecarboxylic,amino,difluoro,pyridinyl,chloro,dihydro,ethyl,ester
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