SEARCH Articles Figures Tables Addition of halides Addition of hydrogen Addition of hydrogen halides Addition regioselective Addition, hydrogenation Addition, regioselectivity Additives, hydrogenated Halide additives Hydrogen halides Hydrogen halides addition Hydrogenation hydrogen halides, additions Hydrogenation, halides Hydrogenative addition Regioselective hydrogenation Regioselectivity halides Regioselectivity hydrogenation Regioselectivity of Hydrogen Halide Addition Markovnikovs Rule