British Pharmacopoeia Reference Standard BP 763, CAS Number 54965-21-8, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 1251, CAS Number 51-42-3, 26405-77-6, 54-06-8, 51-41-2, 99-45-6, Pach Size 25 mg

British Pharmacopoeia Reference Standard BP 003, CAS Number 51-42-3, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 1121, CAS Number N/A, Pach Size 10 mg

British Pharmacopoeia Reference Standard BP 1120, CAS Number 106685-40-9, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 827, CAS Number 55079-83-9, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 438, CAS Number 59277-89-3, Pach Size 100 mg

British Pharmacopoeia Reference Standard BP 907, CAS Number 616-91-1, Pach Size 200 mg

British Pharmacopoeia Reference Standard BP 904, CAS Number 59-66-5, Pach Size 600 mg

British Pharmacopoeia Reference Standard BP 001, CAS Number 3598-37-6, Pach Size 50 mg