Photoresist Chemicals TIANFU-CHEM 5H-Pyrrolo[3,4-b]pyridine-3-carboxylic acid, 4-(2,4-dichlorophenyl)-6,7-dihydro-2,6-dimethyl-7-oxo-, methyl ester Cas：915296-97-8 Molecular Formula：C17H14Cl2N2O3