Photoresist Chemicals Acetic acid, 2-[3-[5-[2-(4-chlorophenyl)ethenyl]-3-methyl-4-isoxazolyl]-4-oxo-2-(phen ylimino)-5-thiazolidinylidene]-, methyl ester Cas:928120-87-0 Molecular Formula:C24H18ClN3O4S