Solid forms of (lR,2S,3R>l-(2-(isoxazol-3-yl)-lH-imida2θl-4-yl)butane-l,2,3,4- tetraol and hydrates thereof are disclosed, as well as compositions comprising them and methods of their use.La présente invention concerne des formes solides de (1R,2S,3R)-1-(2-(isoxazol-3-yl)-1H-imidazol-4-yl)butane-1,2,3,4-tétraol et ses hydrates, ainsi que des compositions les comprenant et leurs procédés d’utilisation.