Raghava, Byregowda; Parameshwarappa, Gangajji; Acharya, Anand; Swaroop, Toreshettahally R.; Rangappa, Kanchugarakoppal S.; Ila, Hiriyakkanavar European Journal of Organic Chemistry, 2014 , vol. 2014, # 9 p. 1882 - 1892