2-Azabicyclo[2.2.2]octane-5-carboxylic acid,4-(methoxymethoxy)-3-oxo-2-(phenylmethyl)-7,8-bis[[(trifluoromethyl)sulfonyl]oxy]-, (1R,2S,5R)-5-methyl-2-(1-methyl-1-phenylethyl)cyclohexylester, (1R,4R,5S,7R,8R)-