Provided are forms of 6-amino-9-[(3R)-1-(2-butynoyl)-3-pyrrolidinyl]-7-(4-phenoxyp henyl)-7,9-dihydro-8H-purin-8-one, compositions thereof, methods for their preparati on, and methods for their use.本文提供6-胺基-9-[(3R)-1-(2-丁炔醯基)-3-吡咯啶基]-7-(4-苯氧基苯基)-7,9-二氫-8H-嘌呤-8-酮之形式、其組合物、其製備方法及其使用方法。