Kumaraswamy, Gullapalli; Padmaja, Mogilisetti; Markondaiah, Bekkam; Jena, Nivedita; Sridhar, Balasubramanian; Kiran, Marelli Udaya Journal of Organic Chemistry, 2006, vol. 71, # 1 p. 337 - 340 doi: 10.1021/jo0516887