Photoresist Chemicals 3H-Imidazo[4,5-b]pyridine, 2-[3-(1-methylethoxy)-5-(phenylmethoxy)phenyl]-, 2,2,2-trifluoroacetate (1:1) Cas：927909-99-7 Molecular Formula：C22H21N3O2.C2HF3O2