The molecule is a dihydroxypyrrolidine that consists of 5-hydroxymethylpyrrolidine-3,4-diol bearing a 4-aminophenyl substituent at position 2 (the 2S,3S,4R,5R-diastereomer). It derives from an aniline.
(2S,3S,4R,5R)-2-(4-aminophenyl)-5-(hydroxymethyl)pyrrolidine-3,4-diol