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的沸点是多少?
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的沸点是多少?