Synonyms: Codeine phosphate anhydrous;Morphinan-6-alpha-ol, 7,8-didehydro-4,5-alpha-epoxy-3-methoxy-17-methyl-, phosphate (1:1);Morphinan-6-ol,7,8-didehydro-4,5-epoxy-3- methoxy-17-methyl-,(5R,6R)-,phosphate (1:1) (salt);Tricodein;Morphinan-6-ol, 7,8-didehydro-4,5-epoxy-3-methoxy-17-methyl-, (5alpha,6alpha)-, phosphate (1:1) (salt);UNII-GSL05Y1MN6;