Pyridine,2,4'-vinylenedi-, (E)- (8CI); Pyridine, 2-[2-(4-pyridinyl)ethenyl]-, (E)-;(E)-2,4'-(1,2-Ethenediyl)bis[pyridine]; (E)-2,4'-Bispyridylethylene;trans-1-(2-Pyridyl)-2-(4-pyridyl)ethylene; trans-2,4'-Di(pyridyl)ethylene
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