17-(CYCLOPROPYLMETHYL)-4,5-EPOXY-6,6-(1,2-ETHANEDIYLBIS(OXY))-14-HYDROXYMORPHINAN-3-CARBONITRILE, (5.ALPHA.)-
17-(cyclopropylmethyl)-4,5-epoxy-6,6-(1,2-ethanediylbis(oxy))-14-hydroxymorphinan-3-carbonitrile, (5.alpha.)-