title: Unexpected volatility of barbiturate derivatives: an extractive alkylation procedure for barbiturates and benzoylecgonine.
authors.forename: W A
authors.initials: WA
authors.lastname: Joern
mesh_terms: D000478:Alkylation; D001463:Barbiturates / Q000302:isolation & purification* / Q000652:urine; D003042:Cocaine / Q000031:analogs & derivatives* / Q000302:isolation & purification; D006801:Humans; D014835:Volatilization
chemical_list: D001463:Barbiturates; C005618:benzoylecgonine; D003042:Cocaine