SEARCH Articles Figures Tables 13 Carbon-labelling carboxylic acid synthesis Biotransformations in the Preparation of Compounds Labeled with Carbon and Hydrogen Isotopes Carbohydrates carbon-14 labeled Carbohydrates, exchange labeling 14C]carbon monoxide Carbon 14C as isotopic label Carbon 14C as isotopic label in Claisen Carbon Reduction Label Carbon dioxide measured label Carbon dioxide, assimilation in animal labelled with Carbon dioxide, labeled Carbon dioxide, labeled excretion Carbon double labeling Carbon labeled benzo pyrene Carbon labeling Carbon labeling Carbon monoxide, labelled with isotopic Carbon nanotubes , label-free Carbon pulse-labeling Carbon selective isotopic labeling Carbon, isotopic, hydrocarbons labeled Carbon, labeled Carbon, labeled Carbon, surface labeled Carbon-13 labelled acetylenes Carbon-13 labelled acetylenes preparation Exchange reaction with labelled carbon monoxide Initiators Carbon-labeled Isotope-labeled carbon dioxide Isotopic labelling with radioactive carbon Isotopic labels carbon Nuclear magnetic resonance carbon-13 labeling Positional enrichment, carbon labeling Positional enrichment, carbon labeling experiments