Photoresist Chemicals 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-[1-methyl-5-(methylsulfonyl)-1H-imidazol-2-yl ]-, ethyl 2-phenylethyl ester Cas：591732-59-1 Molecular Formula：C24H29N3O6S