Photoresist Chemicals 2H-1,2-Oxaphosphorino[5,6-c]quinoline-3,4-dicarboxylic acid, 2,2,3,4,5,6-hexahydro-5-oxo-2,2,2-triphenyl-, diethyl ester Cas:94192-45-7 Molecular Formula:C35H32NO6P