sulfurofluoridic acid, 11-methyl-2,14-dioxo-3,6,10,13-tetraoxa-1(3,5)-pyridin-1-iuma-8(1,3)-benzenacyclotetradecaphan-11-ium salt                                                                                                                                                              在
                                                                                                                                                                                 sodium dithionite   、                                                                                                  phosphate buffer pH 7                                                                                                                                  作用下,
                                                                                                                                                                                                                            以86%的产率得到10-Methyl-3,6,14,17-tetraoxa-10-aza-tricyclo[17.3.1.1
8,12]tetracosa-1
(22),8,11,19
(23),20-pentaene-7,13-dione