参考文献

Raghavendra, Goravanahalli M.; Ramesha, Ajjahalli B.; Revanna, Cigalli N.; Nandeesh, Kebbahalli N.; Mantelingu, Kempegowda; Rangappa, Kanchugarakoppal S. Tetrahedron Letters, 2011 , vol. 52, # 43 p. 5571 - 5574