cas no: 1761-71-3 4,4′-Diaminodicyclohexylmethane; 4,4'-Diaminodicyclohexylmethane; Cyclohexanamine, 4,4'-methylenebis-; Bis(4-aminocyclohexyl)methane; 4,4'-Diaminodicyclohexyl methane; p,p'-Diaminodicyclohexylmethane;