67916-95-4 8-Azabicyclo(3.2.1)octane-8-carboxylic acid, 3-(((2,2-diacetylhydrazino)carbonyl)oxy)-, phenyl ester, endo- 8-Phenoxycarbonyl-3-alpha-(2',2'-diacetyl-hydrazinocarbonyloxy)-nortropane