Photoresist Chemicals 1H-Purine-2,6-dione, 3-butyl-8-chloro-1-[3-[3-[(2,3-dichlorophenyl)methyl]-1,2,4-oxadiazol-5-yl ]propyl]-3,9-dihydro- Cas：925247-69-4 Molecular Formula：C21H21Cl3N6O3