Dipropylene glycol dimaleate, Oxybis(methylethylene) maleate, 2-Butenedioicacid (2Z)-,oxybis(methyl-2,1-ethanediyl) ester (9CI), Ateval VNR 1, 2-Butenedioic acid (Z)-,oxybis(methyl-2,1-ethanediyl) ester, 2-Butenedioic acid(2Z)-,1,1'-[oxybis(methyl-2,1-ethanediyl)] ester