Codeine STD- (5α,6α)-7,8-didehydro-4,5-epoxy-3-methoxy-17-methylmorphinan-6-ol; (4R,4aR,7S,7aR,12bS)-9-methoxy-3-methyl-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-ol
Codeine EP Impurity A- (4R,4aR,7S,7aR,12bS)-7,9-dimethoxy-3-methyl-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline; 4,5α-epoxy-3,6α-dimethoxy-17-methyl-7,8-didehydromorphinan (as per EP)
Codeine EP Impurity B- 4,5α-epoxy-17-methyl-7,8-didehydromorphinan-3,6α-diol (as per EP) ; 7,8-Didehydro-4,5α-epoxy-17-methylmorphinan-3,6α-diol (as per USP); Morphine (EP & USP)
Codeine EP Impurity C- 4,5α:4′,5′α-diepoxy-3,3′-dimethoxy-17,17′-dimethyl-7,7′,8,8′-tetradehydro-2,2′-bimorphinan-6α,6′α-diol (as per EP) ; 7,7′,8,8′-Tetradehydro-4,5α:4′,5′α-diepoxy-3,3′-dimethoxy-17,17′-dimethyl-2,2′-bimorphinanyl-6α,6′α-diol (as per USP)
Codeine EP Impurity D- 4,5α-epoxy-2-[(4,5α-epoxy-6α-hydroxy-17-methyl-7,8-didehydromorphinan-3-yl)oxy]-3-methoxy-17-methyl-7,8-didehydromorphinan-6α-ol (as per EP); 3-O-(Codein-2-yl)morphine (EP)
Codeine EP Impurity E- 4,5α-epoxy-3-methoxy-17-methyl-7,8-didehydromorphinan-6α,10ξ-diol (as per EP) ; 7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α, 10-diol (as per USP); 10-Hydroxycodeine (USP)
Codeine EP Impurity F- 4,5α-epoxy-3-methoxy-17-methyl-7,8-didehydromorphinan-6α,14-diol (as per EP) ; 7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α, 14-diol (as per USP); 14-Hydroxycodeine (USP)
Codeine EP Impurity G- 4,5α-epoxy-3,6-dimethoxy-17-methyl-6,7,8,14-tetradehydromorphinan (as per EP) ; 6,7,8,14-Tetradehydro-4,5α-epoxy-3,6-dimethoxy-17-methylmorphinan (as per USP); Thebaine (EP & USP) ; Oxycodone EP Impurity F
Codeine EP Impurity H- 4,5α-epoxy-3-methoxy-7,8-didehydromorphinan-6α-ol (as per EP) ; 7,8-Didehydro-4,5α-epoxy-3-methoxymorphinan-6α-ol (as per USP); Norcodeine (EP & USP)
Codeine EP Impurity I- 4,5α-Epoxy-3-methoxy-17-methyl-7,8-didehydromorphinan-6-one (as per EP) ; 7,8-Didehydro-4,5α-epoxy-3-methoxy-17-methylmorphinan-6α-one (as per USP); Codeinone (EP & USP)
