The present invention provides solid forms, solvates and hydrates of 3-[2-amino-6-(1-{[6-(2-hydroxypropan-2-yl)pyridine-2-yl]methyl}-1H-1,2,3-triazol-4-yl)pyrimidin-4-yl]-2-methylbenzonitrile, and methods of making and using the same.本發明提供3-[2-胺基-6-(1-{[6-(2-羥基丙-2-基)吡啶-2-基]甲基}-1H-1,2,3-三唑-4-基)嘧啶-4-基]-2-甲基苯甲腈之固體形式、溶劑合物及水合物,以及製備及使用其之方法。