参考文献

Ferse, Falk-Thilo; Floeder, Kerstin; Hennig, Lothar; Findeisen, Matthias; Welzel, Peter; Mueller, Dietrich; Van Heijenoort, Jean Tetrahedron, 1999, vol. 55, # 12 p. 3749 - 3766 doi: 10.1016/S0040-4020(98)01181-8