参考文献

Hoppe, Dieter; Weltering, Michael J.; Oestreich, Martin; Froehlich, Roland Helvetica Chimica Acta, 1999, vol. 82, # 11 p. 1860 - 1877 doi: 10.1002/(SICI)1522-2675(19991110)82:11<1860::AID-HLCA1860>3.0.CO;2-8