17,19-Dinoratis-15-ene-4,13,14-tricarboxylic acid, 16-(1-methylethyl)-, cyclic 13,14-anhydride, (4alpha,8alpha,12alpha)-, polymer with 1,2,3-propanetriol 68214-35-7 Abietic acid, maleic anhydride adduct, glycerol polymer