2,6-二甲苯基异氰酸酯 、
1,1,4,4-Tetramethyl-1,2,3,4-tetrahydro-naphthalen-2-ylamine 以there was obtained N-(2,6-dimethylphenyl)-N'-(1,2,3,4-tetrahydro-1,1,4,4-tetramethyl-2-naphthalenyl)urea, mp 216°-218° C.的产率得到N-(2,6-Dimethylphenyl)-N'-(1,2,3,4-tetra-hydro-1,1,4,4-tetramethyl-2-naphthalenyl)urea