参考文献

Rettig, Martin; Sigrist, Andreas; Retey, Janos Helvetica Chimica Acta, 2000, vol. 83, # 9 p. 2246 - 2265 doi: 10.1002/1522-2675(20000906)83:9<2246::AID-HLCA2246>3.0.CO;2-X