2-12-00-00513 (Beilstein Handbook Reference) 54116-98-2 BRN 2652030 Di-p-tolylguanidine GUANIDINE, 1,3-DI-p-TOLYL- Guanidine, N,N'-bis(4-methylphenyl)- N,N'-Bis(4-methylphenyl)guanidine