Photoresist Chemicals Ethanone, 1-cyclopropyl-2-(2-fluorophenyl)-2-[(3E)-4-mercapto-3-[[1-(1H-tetrazol-5 -ylmethyl)-1H-pyrazol-3-yl]methylene]-1-piperidinyl]-, monohydrochloride Cas:853801-99-7 Molecular Formula:C22H24FN7OS.ClH