4,4'-Bis(dodecylphenylurea)diphenylmethane 68084-56-0 EINECS 268-447-6 N,N''-(Methylenedi-p-phenylene)bis(N'-(dodecylphenyl)urea) Urea, N,N''-(methylenedi-4,1-phenylene)bis(N'-(dodecylphenyl)-