[S(R)]-N-[(R)-(3,5-Di-tert-butyl-4-methoxyphenyl)[2-(diphenylphosphino)-4,5-dimethoxyphenyl]-2-methyl-2-propanesulfinamide

[S(R)]-N-[(R)-(3,5-Di-tert-butyl-4-methoxyphenyl)[2-(diphenylphosphino)-4,5-dimethoxyphenyl]-2-methyl-2-propanesulfinamide