Photoresist Chemicals 1H-Purine-2,6-dione, 3-butyl-8-chloro-3,9-dihydro-1-[3-[5-(phenylmethyl)-1H-1,2,4-triazol-1-yl] propyl]- Cas：925251-17-8 Molecular Formula：C21H24ClN7O2