4-chloro-6-(ethylthio)-8-methyl-3-cinnolinecarboxamide   、                                                                                      5-Chloro-3-pyridinamine dihydrochloride                                                                                                                                                                                              以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以to give the title compound as a yellow solid (0.092 g)的产率得到4-[(5-chloro-3-pyridinyl)amino]-6-(ethylthio)-8-methyl-3-cinnolinecarboxamide hydrochloride