SALEM , M.R.;ABDEL-HAMID, H.A.;GABAL, Abou2019-04-222019-04-221303-6017http://hdl.handle.net/20.500.12575/61762https://doi.org/10.1501/Commub_0000000224Regioselectivity of Addition of Nucleophilic Raegents to α, β - Unsaturated Carbonyl Group in Crylic Systems285295