Photoresist Chemicals 1H-Pyrrolo[2,3-b]pyridine-1,2-dicarboxylic acid, 1-(1,1-dimethylethyl) 2-ethyl ester, 7-oxide Cas：577711-90-1 Molecular Formula：1H-Pyrrolo[2,3-b]pyridine-1,2-dicarboxylic acid, 1-(1,1-dimethylethyl) 2-ethyl ester, 7-oxide