Photoresist Chemicals 3-Quinolinecarboxylic acid, 6,8-difluoro-1-(3-fluorophenyl)-1,4-dihydro-7-[(3S)-3-methyl-1-piperazin yl]-4-oxo-, monohydrochloride Cas:851000-08-3 Molecular Formula:C21H18F3N3O3.ClH