8-methyl-4-methylsulfanyl-3,10-dithia-1,5-diaza-8-azoniatricyclo[7.3.0.02,6]dodeca-2(6),4,8-triene-7,12-dione;perchlorate                                                                                                                                                              在
                                                                                                                                                                                 
吡啶                                                                                                                                  作用下,
                                                                                                                                                                                        反应 4.5h,
                                                                                                                生成                                                 
9-methoxy-8-methyl-4-methylsulfanyl-3,10-dithia-1,5,8-triazatricyclo[7.3.0.02,6]dodeca-2(6),4-diene-7,12-dione