73564-69-9

1,2-Di(pyridin-4-yl) 1,2-bis(4-pyridyl)ethyne 1,2-bis(4-pyridy)acetylene 1,2-Bis(4-pyridyl)acetylene 4-(2-pyridin-4-ylethynyl)pyridine Pyridine, 4,4'-(1,2-ethynediyl)bis- 4,4-dipyridylacetylene hydrochloride