Adepu, Raju; Rajitha; Ahuja, Dipali; Sharma, Atul Kumar; Ramudu; Kapavarapu, Ravikumar; Parsa, Kishore V. L.; Pal, Manojit Organic and Biomolecular Chemistry, 2014 , vol. 12, # 16 p. 2514 - 2518