Photoresist Chemicals 1-Propanone, 3-[4-[2-[bis(4-fluorophenyl)methoxy]ethyl]-1-piperazinyl]-1-(2-thienyl)-, (2Z)-2-butenedioate (1:2) Cas：579489-74-0 Molecular Formula：C26H28F2N2O2S.2C4H4O4