5,5'-Methylenebis(2-(N-(1-benzyl-4-piperidyl)methylamino)pyrimidine) 76167-83-4 Bis(2-(N-methyl-N-(1'-benzyl-4'-piperidyl))amino-5-pyrimidyl)methane NSC 350004 Pyrimidine, 5,5'-methylenebis(2-(N-(1-benzyl-4-piperidyl)methylamino)-