2-Butenedioic acid (2Z)-, mono(1-methylethyl) ester, reaction products with maleic anhydride and polyethylene, ethoxylated propoxylated 2-Butenedioic acid (Z)-, mono(1-methylethyl) ester, reaction products with maleic anhydride and polyethylene, ethoxylated propoxylated 75535-30-7