1,2-Bis(3-chlorobenzamido)-1,2-di-4-pyridylethane 77502-29-5 Benzamide, N,N'-(1,2-di-4-pyridinyl-1,2-ethanediyl)bis(3-chloro- N,N'-(1,2-Di-4-pyridinyl-1,2-ethanediyl)bis(3-chlorobenzamide)