Photoresist Chemicals 1H-Pyrrole-2,5-dione, 3-[2-chloro-7-[(dimethylamino)methyl]-1-naphthalenyl]-4-[1-[2-(2-hydroxy ethoxy)ethyl]-1H-indol-3-yl]- Cas:919993-21-8 Molecular Formula:C29H28ClN3O4