Codeine phosphate was discontinued (DEA Schedule III controlled substance) References: Bali C, Ergenoglu P, Ozmete O, Akin S, Ozyilkan NB, Cok OY, Aribogan A. Comparison of the postoperative analgesic effects of naproxen sodium and naproxen sodium-codeine phosphate for arthroscopic meniscus surgery. Braz J Anesthesiol. 2016 Mar-Apr;66(2):151-6. doi: 10.1016/j.bjane.2014.08.006. Epub 2014 Nov 27. PubMed PMID: 26952223.

纯度：≥98%

CAS：41444-62-6