[Extraction of promedolrom aqueous solutions with organic solvents depending on the pH of medium].
D000700:Analgesics / Q000302:isolation & purification*; D003124:Colorimetry; D006863:Hydrogen-Ion Concentration; D008722:Methods; D010880:Piperidines / Q000302:isolation & purification*; D012997:Solvents / Q000494:pharmacology*
D000700:Analgesics; D010880:Piperidines; D012997:Solvents
Ekstraktsiia promedola iz vodnykh rastvorov organicheskimi rastvoriteliami v zavisimosti ot pH sredy.