Photoresist Chemicals 1H-Purine-2,6-dione, 8-chloro-3,9-dihydro-3-(2-methoxyethyl)-1-[3-[5-[[2-(trifluoromethyl)phen yl]methyl]-2H-tetrazol-2-yl]propyl]- Cas：925250-88-0 Molecular Formula：C20H20ClF3N8O3