British Pharmacopoeia Reference Standard BP 491, CAS Number 77-36-1, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 467, CAS Number 969-99-3, Pach Size 50 mg

British Pharmacopoeia Reference Standard BP 856, CAS Number 69-09-0, Pach Size 50 mg

British Pharmacopoeia Reference Standard BP 081, CAS Number 113-92-8, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 080, CAS Number 88-04-0, Pach Size 500 mg

British Pharmacopoeia Reference Standard BP 076, CAS Number 58-94-6, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 1299, CAS Number 56-95-1, 102-02-3, 140-38-5, 5304-59-6, Pach Size 10 mg

British Pharmacopoeia Reference Standard BP 068, CAS Number 57-95-1, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 1187, CAS Number 438-41-5, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 067, CAS Number 14362-31-3, Pach Size 100 mg