Analysis of promethazine hydrochloride in syrups.
D002845:Chromatography; D007259:Infrared Rays; D011398:Promethazine / Q000032:analysis*; D012996:Solutions / Q000032:analysis*; D013053:Spectrophotometry; D014466:Ultraviolet Rays
D012996:Solutions; D011398:Promethazine