A city in Arkansas / A surname.

(inorganic chemistry) The compound HN=NH / (organic chemistry, countable) Any azo compound derived from this simple compound

(organic chemistry) An isodiazene.

plural of diazanylidene

(organic chemistry) A seven-membered unsaturated heterocycle having two nitrogen atoms and three double bonds; any derivative of this compound

(pharmacology) A tranquilizing muscle relaxant drug (trademark Valium) used chiefly to relieve anxiety.

plural of diazepam

(organic chemistry) Two aza groups in a molecule (especially two adjacent carbon atoms replaced with nitrogen)

(organic chemistry) An unsaturated ten-membered heterocycle having eight carbon atoms, two nitrogen atoms and five double bonds

(organic chemistry) Any bicyclic heterocycle formally derived from naphthalene by replacing two carbon atoms with those of nitrogen