71832-70-7 Carbamic acid, (4-((4-isocyanatophenyl)methyl)phenyl)-, oxydi-2,1-ethanediyl ester Diethylene glycol, urethane (1:2) with methylenedi-p-phenylene isocyanate EINECS 276-050-4 Oxydiethylene bis((4-((4-isocyanatophenyl)methyl)phenyl)carbamate)