Photoresist Chemicals TIANFUCHEM-Benzenesulfonamide, 4-[[4-[1-methyl-2-(1-methylethyl)-1H-imidazol-5-yl]-2-pyrimidinyl]amino]- N-(2,2,2-trifluoroethyl)-, hydrochloride Cas:600637-84-1 Molecular Formula:C19H21F3N6O2S.xClH