Explanatory notes
… nimetazepam (INN), nitrazepam (INN), nordazepam (INN), oxazepam (INN), pinazepam (INN), prazepam (INN), … acid ( isonicotinic acid ). Colourless crystals, formed by oxidation of g -picoline, or by synthesis. Its hydrazide is … unfused piperidine ring, other heterocyclic compounds with oxygen or sulfur atoms, such as furan or thiophene rings, …