4,4'-((3',4',5',6'-tetrakis(4-(pyridin-4-ylethynyl)phenyl)-[1,1':2',1''-terphenyl]-4,4''-diyl)bis(ethyne-2,1-diyl))dipyridine
4,4'-((3',4',5',6'-TETRAKIS(4-(PYRIDIN-4-YLETHYNYL)PHENYL)-[1,1':2',1''-TERPHENYL]-4,4''-DIYL)BIS(ETHYNE-2,1-DIYL))DIPYRIDINE