N-(4-((2R,3R,4R,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl) pyrrolidin-1-yl)butyl)-2-(9H-fluoren-9-yl)acetamide

N-(4-((2R,3R,4R,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl) pyrrolidin-1-yl)butyl)-3,3,3-triphenylpropanamide