SEARCH Articles Figures Tables Catalytic hydrogenation regioselectivity Dienes, hydrogenation regioselective Direct hydrogen abstraction regioselectivity Hydrogen abstraction regioselectivity Hydrogen abstraction, ketones regioselectivity Regioselectivity addition of hydrogen halides Regioselectivity hydrogenation Regioselectivity hydrogenation Regioselectivity of Hydrogen Halide Addition Markovnikovs Rule