英文同义词: | Pyridine, 4,?4'-?(2,?5-?difluoro-?1,?4-?phenylene)?bis-;1,4-bis(4-pyridyl)-2,5-difluorobenzene;4,4'-(2,5-Difluoro-1,4-phenylene)dipyridine;4,4'-(2,5-Difluoro-1,4-phenylene)bis[pyridine;4,4'-(2,5-Difluoro-1,4-phenylene)bis[pyridine;4,4'-(2,5-Difluoro-1,4-phenylene)dipyridine |