参考文献

Ghorpade, Sandeep R.; Bastawade, Kulbhushan B.; Gokhale, Digambar V.; Shinde, Popat D.; Mahajan, Vishal A.; Kalkote, Uttam R.; Ravindranathan Tetrahedron Asymmetry, 1999 , vol. 10, # 21 p. 4115 - 4122