Synonyms: Polyurethane Y-304;Ethylene glycol-MDI copolymer;Y 304;Isocyanic acid, methylenedi-p-phenylene ester, polymer with ethylene glycol;ethane-1,2-diol- 1,1'-methanediylbis(4-isocyanatobenzene)(1:1);AC1L4TP5;AC1Q6BL4;AR-1I7335;LS-118293;1,2-Ethanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene);1,2-Ethanediol, polymer with 1,1'-methylenebis(4-isocyanatobenzene) (9CI);ethane-1,2-diol; 1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene