Bản ghi email: 2,4-Di-tert-butyl-6-[(R/S)-1-(3,5-di-tert-butyl-2-hy­droxy­phen­yl)eth­yl]phenyl [(1R,4S)-7,7-dimethyl-2-oxobicyclo­[2.2.1]heptan-1-yl]methane­sulfonate