1,5-Bis(3,3-dimethyl-1-ureido)naphthalene 3,3'-(1,5-Naphthylene)bis(1,1-dimethylurea) 73019-17-7 73840-10-5 EINECS 277-235-2 N,N''-Naphthalene-1,5-diylbis(N',N'-dimethylurea) NSC 255318 Solorinic acid Urea, 3,3'-(1,5-naphthylene)bis(1,1-dimethyl- Urea, N,N''-1,5-naphthalenediylbis(N',N'-dimethyl-