参考文献

Ramana, Chepuri Venkata; Vasella, Andrea Helvetica Chimica Acta, 2000, vol. 83, # 7 p. 1599 - 1610 doi: 10.1002/1522-2675(20000705)83:7<1599::AID-HLCA1599>3.0.CO;2-0