Photoresist Chemicals Linseed oil, polymer with bisphenol A, p-tert-butylphenol, ethyleneglycol, formaldehyde, pentaerythritol, phthalic anhydride and rosin Cas:68910-74-7 Molecular Formula:Linseed oil, polymer with bisphenol A, p-tert-butylphenol, ethyleneglycol, formaldehyde, pentaerythritol, phthalic anhydride and rosin