7-(2-chlorophenyl)-4-methyl-5,6,7,8-tetrahydrocinnolin-5-one-2-oxide   、                                                                                      
肼甲酰亚胺酰胺一氯化氢   、                                                                                      
盐酸                                                                                                                                                              在
                                                                                                                                                                                 
7-(2-chlorophenyl)-5-guanidinoimino-4-methyl-5,6,7,8-tetrahydrocinnolin-2-oxide hydrochloride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以to give 7-(2-chlorophenyl)-5-guanidinoimino-4-methyl-5,6,7,8-tetrahydrocinnolin-2-oxide hydrochloride (Compound 160) (116 mg) as colorless crystals的产率得到7-(2-chlorophenyl)-5-guanidinoimino-4-methyl-5,6,7,8-tetrahydrocinnolin-2-oxide hydrochloride