1,3,4-thiadiazole-2,5-di-4-pyridyl, 2,5-Bis(4-piridinyl)-1,3,4-thiadiazole, 4,4'-(1,3,4-Thiadiazole-2,5-diyl)dipyridine, Pyridine,4,4'-(1,3,4-thiadiazole-2,5-diyl)di, 2,5-di(4-pyridyl)-1,3,4-thiadiazole, 2,5-bis(4-pyridyl)-1,3,4-thiadiazole, EINECS 239-353-2, 2,5-bis(pyrid-4-yl)-1,3,4-thiadiazole, 1,3,4-Thiazole,2,5-bis(4-piridinyl), 1,3,4-THIADIAZOLE,2,5-BIS(4-PYRIDYL), 4,4'-[1,3,4]thiadiazole-2,5-diyl-bis-pyridine