(1-Methylcyclopropyl) 6-[5-ethyl-6-(2-methylpyridin-3-yl)oxypyrimidin-4-yl]-2,6-diazatricyclo[3.3.1.13,7]decane-2-carboxylate   、                                                                                      
三氟乙酸                                                                                                                                                                                              以
                                                                                         
水   、                                                                                         
二甲基亚砜   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        以23.1 mg的产率得到1-methylcyclopropyl 6-{5-ethyl-6-[(2-methylpyridin-3-yl)-oxy]pyrimidin-4-yl}-2,6-diazatricyclo[3.3.1.1
3,7]decane-2-carboxylate trifluoroacetate