Photoresist Chemicals Cyclopropanecarboxylic acid, 2-ethenyl-1-[[[(2S,4R)-4-[[2-(2-pyridinyl)thieno[3,2-d]pyrimidin-4-yl]oxy]- 2-pyrrolidinyl]carbonyl]amino]-, methyl ester, (1R,2S)- Cas:884538-77-6 Molecular Formula:C23H23N5O4S