British Pharmacopoeia Reference Standard BP 797, CAS Number 56296-78-7, Pach Size 250 mg

British Pharmacopoeia Reference Standard BP 995, CAS Number 51-21-8, Pach Size 40 mg

British Pharmacopoeia Reference Standard BP 573, CAS Number 426-13-1, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 161, CAS Number 303-40-2, Pach Size 50 mg

British Pharmacopoeia Reference Standard BP 489, CAS Number 356-12-7, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 160, CAS Number 67-73-2, Pach Size 50 mg

British Pharmacopoeia Reference Standard BP 840, CAS Number 1622-62-4, Pach Size 25 mg

British Pharmacopoeia Reference Standard BP 1156, CAS Number 2002-29-1, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 159, CAS Number 514-36-3, Pach Size 50 mg

British Pharmacopoeia Reference Standard BP 1175, CAS Number 514222-44-7, Pach Size 50 mg