biological role respiratory-chain inhibitor NADH:ubiquinone reductase inhibitor A respiratory-chain inhibitor that interferes with the action of the the enzyme NADH:ubiquinone reductase (EC 1.6.5.3) CHEBI:38503 Coenzyme Q reductase DPNH-coenzyme Q reductase inhibitor DPNH-ubiquinone reductase inhibitor NADH-Q6 oxidoreductase inhibitor NADH-coenzyme Q oxidoreductase inhibitors NADH2 dehydrogenase (ubiquinone) inhibitor NADH:ubiquinone oxidoreductase complex inhibitor NADH:ubiquinone oxidoreductase inhibitor NADH:ubiquinone reductase (H+-translocating) inhibitor chebi_ontology complex 1 dehydrogenase inhibitor complex I (NADH:Q1 oxidoreductase) inhibitors complex I (electron transport chain) inhibitors complex I (mitochondrial electron transport) inhibitors dihydronicotinamide adenine dinucleotide-coenzyme Q reductase inhibitor mitochondrial electron transport complex 1 inhibitor reduced nicotinamide adenine dinucleotide-coenzyme Q reductase inhibitor type 1 dehydrogenase inhibitor ubiquinone reductase inhibitor NADH dehydrogenase (ubiquinone) activity