Photoresist Chemicals 1H-Purine-2,6-dione, 3-(2-acetylphenyl)-7-(2-butynyl)-3,7-dihydro-1-methyl-8-(1-piperazinyl)-, mono(trifluoroacetate) Cas：586406-85-1 Molecular Formula：C22H24N6O3.C2HF3O2