尿唑

4,4'-bis-(1,2,4-triazolidine-3,5-dion-4-yl)-dicyclohexylmethane

4,4-二异氰酸酯二环己基甲烷

1-(2-chloroethyl)-3-[4-[[4-[[2-chloroethyl(nitroso)carbamoyl]amino]cyclohexyl]methyl]cyclohexyl]-1-nitrosourea

1-isocyanato-4-[(4-isocyanatocyclohexyl)methyl]cyclohexane