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7.beta.-Arylalkyl-3-methoxy or 3-hydroxy-4,5.alpha.-epoxy-6.beta.-hydroxy-7.alpha.-hydroxymethyl-17-met hyl or 17-cycloalkylmethylmorphinans

US Patent 4440931 · Granted Apr 3, 1984

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7.beta.-Arylalkyl-6.alpha., 7 .alpha.-oxymethylene-3-methoxy or 3-hydroxy-4, 5.a1984
7.beta.-Arylalkyl-6.alpha., 7 .alpha.-oxymethylene-3-methoxy or 3-hydroxy-4, 5.a1984