参考文献

Venkateswarlu, Somepalli; Ramachandra, Mareullapudi S.; Krishnaraju, Alluri V.; Trimurtulu, Golakoti; Subbaraju, Gottumukkala V. Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2006 , vol. 45, # 1 p. 252 - 257