Photoresist Chemicals Benzoic acid, 3-[4-[[5-(3,5-dichlorophenyl)-2-furanyl]methylene]-4,5-dihydro-3-(1-meth ylethyl)-5-oxo-1H-pyrazol-1-yl]-, methyl ester Cas：848603-74-7 Molecular Formula：C25H20Cl2N2O4