参考文献

Reck, Folkert; Wippo, Harald; Kudick, Rene; Krishnamurthy, Ramanarayanan; Eschenmoser, Albert Helvetica Chimica Acta, 2001, vol. 84, # 6 p. 1778 - 1804 doi: 10.1002/1522-2675(20010613)84:6<1778::AID-HLCA1778>3.0.CO;2-3