N2-(4-{4-amino-1-[2-(dimethylamino)ethyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}-2-methoxyphenyl)-1-methyl-1H-2-indolecarboxamide   、                                                                                      
顺丁烯二酸                                                                                                                                                                                              以
                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                                                        以to afford N2-(4-{4-amino-1-[2-(dimethylamino)ethyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}-2-methoxyphenyl)-1-methyl-1H-2-indolecarboxamide monomaleate as a white solid (0.005 g, 0.008 mmol)的产率得到N2-(4-{4-amino-1-[2-(dimethylamino)ethyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}-2-methoxyphenyl)-1-methyl-1H-2-indolecarboxamide monomaleate