Organic IntermediateChina CAS No. 127199-27-3 3-Quinolinecarboxylic Acid, 8-Chloro-6, 7-Difluoro-1-[ (1R, 2S) -2-Fluorocyclopropyl]-1, 4-Dihydro-4-Oxo-, Find details about China CAS Number 127199-27-3, Organic Intermediate from CAS No. 127199-27-3 3-Quinolinecarboxylic Acid, 8-Chloro-6, 7-Difluoro-1-[ (1R, 2S) -2-Fluorocyclopropyl]-1, 4-Dihydro-4-Oxo-