2-((2R)-2-([5-(8-methoxypyridino[3,4-e]pyridin-2-yl)(1,3,4-thiadiazol-2-yl)]amino)-3-phenylpropyl)benzo[c]azoline-1,3-dione   、                                                                                      
N-[(([(1R)-2-(1,3-dioxobenzo[c]azolin-2-yl)-1-benzylethyl]amino)thioxomethyl)amino](8-methoxypyridino[3,4-e]pyridin-2-yl)carboxamide                                                                                                                                                                                              以
                                                                                         
甲烷磺酸                                                                                  为溶剂,
                                                                                                                                                                                        以to afford the title compound (0.375 g., 81%)的产率得到[(1R)-2-AMINO-1-BENZYLETHYL][5-(8-METHOXYPYRIDINO[3,4-e]PYRIDIN-2-YL)(1,3,4-THIADIAZOL-2-YL)]AMINE