EntityQ2758348· pop 8· linked from 213 articlesnitrogen heterocycleSign in to saveany heterocyclic compound having at least one nitrogen heteroatomConnectionsamino acidEntitynucleotide baseEntityvitaminEntity(−)-nicotineEntitydigital object identifierEntityhemoglobinEntitychlorophyllEntitybenzeneEntityporkEntityalkaloidEntitybeefEntityamineEntitythiamine(1+) ionEntityadenineEntityColorectal cancerConceptQ180686EntityguanineEntityvitamin B12Entitytobacco smokingEntityJSTOROrganizationCategoriesCarcinogensHeterocyclic compounds