... > Science > Physical sciences > Chemistry > Chemicals > Carbon compounds > Organic compounds > Organic cyclic compounds > Heterocyclic compounds > Pyridine > Nicotine

... > Science > Physical sciences > Chemistry > Chemicals > Carbon compounds > Organic compounds > Organic cyclic compounds > Heterocyclic compounds > Pyridine > Nicotine

... > Science > Physical sciences > Chemistry > Chemicals > Cyclic compounds > Organic cyclic compounds > Heterocyclic compounds > Pyridine > Nicotine

... > Science > Physical sciences > Chemistry > Chemicals > Cyclic compounds > Organic cyclic compounds > Heterocyclic compounds > Pyridine > Nicotine

... > Molecules > Biomolecules > Metabolites > Microbial metabolites > Alkaloids > Nicotine

... > Science > Physical sciences > Chemistry > Chemicals > Carbon compounds > Organic compounds > Organonitrogen compounds > Alkaloids > Nicotine

... > Science > Physical sciences > Chemistry > Chemicals > Carbon compounds > Organic compounds > Organonitrogen compounds > Alkaloids > Nicotine

... > Science > Physical sciences > Chemistry > Chemicals > Nitrogen compounds > Organonitrogen compounds > Alkaloids > Nicotine

... > Science > Physical sciences > Chemistry > Chemicals > Nitrogen compounds > Organonitrogen compounds > Alkaloids > Nicotine

... > Molecules > Biomolecules > Metabolites > Plant metabolites > Alkaloids > Nicotine

... > Commercial products > Primary commodities > Raw materials > Natural products > Biological products > Plant products > Plant metabolites > Alkaloids > Nicotine

... > Life (Biology) > Organisms > Plants > Phanerogams > Angiosperms > Dicotyledons > Tubiflorae > Solanaceae > Nicotiana > Tobacco > Nicotine

... > Commercial products > Primary commodities > Raw materials > Natural products > Biological products > Plant products > Tobacco products > Nicotine