1,2-Bis(2-chlorobenzamido)-1,2-di-4-pyridylethane 77502-30-8 Benzamide, N,N'-(1,2-di-4-pyridinyl-1,2-ethanediyl)bis(2-chloro- N,N'-(1,2-Di-4-pyridinyl-1,2-ethanediyl)bis(2-chlorobenzamide)