Synonyms: AC1O555Y;4-[(4-aminophenyl)methyl]aniline; butane-1,4-diol; hexanedioic acid; 1-isocyanato-4-[(4-isocyanatophenyl)methyl]benzene;50981-28-7;55157-42-1;Hexanedioic acid, polymer with 1,4-butanediol, 4,4'-methylenebis(benzenamine) and 1,1'-methylenebis(4-isocyanatobenzene);Methylenebis(4-phenylisocyanate), adipic acid, 1,4-butylene glycol, 4,4'-diaminodiphenylmethane polymer