Synonyms: Carbamic acid, N-(5-isocyanato-2(or 4)-methylphenyl)-, C,C'-(1-methyl-1,3-propanediyl) ester;1,3-Butanediol, toluene 2,4-diisocyanate urethane (1:2);1-Methyl-1,3-propanediyl(5-isocyanato-2(or 4)-methylphenyl)carbamate;1-Methylpropane-1,3-diyl bis((3-isocyanatomethylphenyl)carbamate);Carbamic acid, (5-isocyanato-2(or 4)-methylphenyl)-, 1-methyl-1,3-propanediyl ester