BP
British Pharmacopoeia
lamotrigine (BP 1097)
irbesartan impurity A (BP 1122)
disulfiram (BP 132)
guanethidine monosulfate (BP 181)
hydrochlorothiazide (BP 186)
hydroflumethiazide (BP 190)
amitraz (BP 015)
amitriptyline hydrochloride (BP 016)
azaperone (BP 025)