HPLC method for the determination of 4-hydroxyphenylbutazone in phenylbutazone.
D002851:Chromatography, High Pressure Liquid; D004340:Drug Contamination; D006900:Hydroxylation; D010113:Oxyphenbutazone / Q000031:analogs & derivatives* / Q000032:analysis; D010653:Phenylbutazone / Q000032:analysis*
D010653:Phenylbutazone; D010113:Oxyphenbutazone; C031232:4-hydroxyphenylbutazone