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    德拉沙星中间体

    名称

    CAS#

    结构式

    ethyl 3-(3-chloro-2,4,5-trifluorophenyl)-3-oxopropanoate

    101987-86-4

     

    2,3,5,6-tetrafluoropyridine

    2875-18-5

     

    3,5-difluoropyridine-2,6-diamine

    247069-27-8

     

    3-Hydroxyazetidine hydrochloride

    18621-18-6

     

    ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-8-chloro-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-1,
    4-dihydroquinoline-3-carboxylate

    1620905-72-7

     

    ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-8-chloro-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate

    189279-51-4

     

    ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-(isobutyryloxy)azetidin-1-yl)-4-oxo-1,
    4-dihydroquinoline-3-carboxylate

    442526-91-2

     
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