This application relates to various crystalline forms of 5-bromo-2,6-di(1H-pyrazol-1-yl)pyrimidin-4-amine and salt thereof, as well as compositions and methods of using the same. In some embodiments the crystalline forms also contain water (“hydrates”). These materials are useful in the treatment of variousdiseases, including carcinomas, specifically lung cancer and more specifically non-small cell lung cancer.本申請案係關於5-溴-2,6-二(1H-吡唑-1-基)嘧啶-4-胺及其鹽之各種結晶型，以及使用其之組合物及方法。在一些實施例中，該等結晶型亦含有水(「水合物」)。該等物質可用於治療多種疾病，包括癌(carcinoma)、特定而言肺癌，且更特定而言非小細胞肺癌。
