title: Isothermal gas-chromatographic separation of barbiturates with use of on-column hexylation and heptylation.
mesh_terms: D000478:Alkylation; D001463:Barbiturates / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas / Q000379:methods; D006801:Humans
chemical_list: D001463:Barbiturates