SEARCH Articles Figures Tables Heterocycles, hydrogenation Hydrogen isotopes Hydrogenation labeled Hydrogenation of heterocycles Isothiazole Isothiazoles Isotope isotopic labeling Isotope label Isotope-labelled Isotopic hydrogen Isotopic labeling Isotopic labelled Isotopic labelling Isotopic labels Isotopical labeling Isotopically Labelled Heterocycles Of isothiazole Of isothiazoles