Pharmaceuticals and related drugs.
D000470:Alkaloids / Q000032:analysis; D000900:Anti-Bacterial Agents / Q000032:analysis; D002845:Chromatography / Q000379:methods; D004364:Pharmaceutical Preparations / Q000032:analysis*; D013057:Spectrum Analysis / Q000379:methods; D013256:Steroids / Q000032:analysis; D013455:Sulfur / Q000032:analysis; D014815:Vitamins / Q000032:analysis
D000470:Alkaloids; D000900:Anti-Bacterial Agents; D004364:Pharmaceutical Preparations; D013256:Steroids; D014815:Vitamins; D013455:Sulfur