(2S,3S,4R)-N-[(R)-2-acetoxypentacosanoyl]-2-amino-3,4-di-O-benzoyl-1-O-(tert-butyl(diphenyl)silyl)-15-methylhexadecane-1,3,4-triol

(2S,3S,4R)-N-[(R)-2-acetoxytetracosanoyl]-2-amino-3,4-di-O-benzoyl-16-methylheptadecane-1,3,4-triol