1,2-Bis(4-fluorobenzamido)-1,2-di-4-pyridylethane 77502-32-0 Benzamide, N,N'-(1,2-di-4-pyridinyl-1,2-ethanediyl)bis(4-fluoro- N,N'-(1,2-Di-4-pyridinyl-1,2-ethanediyl)bis(4-fluorobenzamide)