BP
British Pharmacopoeia
oxibendazole (BP 764)
isopromethazine hydrochloride (BP 778)
sulfasalazine (BP 779)
oxytetracycline (BP 782)
erythromycin estolate (BP 790)
isosorbide mononitrate (BP 800)
desogestrel impurity D (BP 816)
alfuzosin hydrochloride (BP 825)
diclofenac impurity A (BP 828)