Photoresist Chemicals 4(1H)-Quinazolinone, 2-[4-[[4,5-dihydro-1-(1-methylethyl)-1H-imidazol-2-yl]methyl]-1-piperazin yl]-6,7-dimethoxy-5-methyl- Cas:828256-76-4 Molecular Formula:C22H32N6O3