Codeine (also known as Methylmorphine, Codeine anhydrous, Codicept, Coducept, l-Codeine, Morphine monomethyl ether, O3-Methylmorphine, (-)-Codeine, Morphine 3-methyl ether or codeinum) is a opioid substance of the morphinan class.
Chemistry
Codeine is typically found in the form of its hydrochloride, hydrobromide, phosphate and sulfate salts.