Photoresist Chemicals 1H-Pyrrole-2-carboxylic acid, 5-[[4-[2-(acetylamino)ethyl]-3,5-dimethyl-1H-pyrrol-2-yl]carbonyl]-4-ethyl- 3-methyl-, phenylmethyl ester Cas：577765-49-2 Molecular Formula：C26H31N3O4