Photoresist Chemicals TIANFU-CHEM 1,1,2-Ethanetricarboxylic acid, 2-(5-methoxy-1H-indol-3-yl)-, 2-(1,1-dimethylethyl) 1,1-diethyl ester, (2R)- Cas:875665-28-4 Molecular Formula:C22H29NO7