1,2-Bis(4-methylbenzamido)-1,2-di-4-pyridylethane 77502-25-1 Benzamide, N,N'-(1,2-di-4-pyridinyl-1,2-ethanediyl)bis(4-methyl- N,N'-(1,2-Di-4-pyridinyl-1,2-ethanediyl)bis(4-methylbenzamide)