Photoresist Chemicals Benzo[b]thiophene-3-carbonitrile, 5-[2-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethenyl]-2-[4,5-dihydro -4-[(4-hydroxy-3-methoxyphenyl)methylene]-5-oxo-2-phenyl-1H-imidazol -1-yl]-6,7-dihydro-7, Cas:538356-78-4 Molecular Formula:C40H32ClN5O3S