1,4-双(3-氨基丙基)哌嗪, 1,4-Bis(3-aminopropyl)piperazine

(R)-2,2'-双[双(4-甲氧基-3,5-二甲基苯基)膦基]-4,4',6,6'-四甲氧基联苯, (R)-2,2'-Bis[bis(4-methoxy-3,5-dimethylphenyl)phosphino]-4,4',6,6'-tetramethoxybiphenyl

双(4-叔丁基苯基)碘鎓 对甲苯磺酸盐, Bis(4-tert-butylphenyl)iodonium p-toluenesulfonate

4,4'-二氯二苯砜, Bis(4-chlorophenyl) Sulfone

双(环戊二烯)钌, Bis(cyclopentadienyl)ruthenium

4,5-二(二-叔丁基膦)-9,9-二甲基氧杂蒽, 4,5-Bis(di-tert-butylphosphino)-9,9-dimethylxanthene

1,2-双[(2R,5R)-2,5-二异丙基-1-亚磷基]苯, 1,2-Bis[(2R,5R)-2,5-diisopropyl-1-phospholanyl]benzene

2,5-双(3,7-二甲基辛基氧)对苯二醛, 2,5-Bis(3,7-dimethyloctyloxy)terephthalaldehyde

1,4-双(联苯基膦)丁烷, 1,4-Bis(diphenylphosphino)butane

4,6-二(二苯基膦)吩嗪, 4,6-Bis(diphenylphosphino)phenoxazine