Project supported by the National Natural Science Foundation of China(No.21272086)
A new compound [C19H19N3O3F2Cl·C4H3O4·H2O](I),(7-((7S)-7-aminospiro[2.4]heptan-5-yl)-8-chloro-6-fluoro-1-((1R,2S)-2-fluorocyclopropyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid fumaric acid monohydrate...