Photoresist Chemicals 1,2-Propanediol, 3-[[5-chloro-4-[6-(2,4-difluorophenoxy)-1H-pyrazolo[3,4-d]pyrimidin-3-yl] -2-pyridinyl]oxy]- Cas:927825-57-8 Molecular Formula:C19H14ClF2N5O4