.beta.-Codeine hydrobromide 4892-48-2 B-CODEINE HYDROBROMIDE Morphinan-6-ol, 8,14-didehydro-4,5-epoxy-3-methoxy-17-methyl-, hydrobromide, (5.alpha.,6.alpha.)- Morphinan-6.alpha.-ol, 8,14-didehydro-4,5.alpha.-epoxy-3-methoxy-17-methyl-, hydrobromide NEOPINE, HYDROBROMIDE NSC34905