[(1S,3R,15R,18R,19R,20R,21R,22S,23R,24R,25R)-20,22,23,25-tetraacetyloxy-21-(acetyloxymethyl)-3,15-dimethyl-26-methylidene-6,16-dioxo-2,5,17-trioxa-11-azapentacyclo[16.7.1.01,21.03,24.07,12]hexacosa-7(12),8,10-trien-19-yl] benzoate   、                                                                                      
Potassium azodicarboxylate                                                                                                                                                                                                                                                                                                          生成                                                 [(1S,3R,15R,18R,19R,20R,21R,22S,23R,24R,25R,26R)-20,22,23,25-tetraacetyloxy-21-(acetyloxymethyl)-3,15,26-trimethyl-6,16-dioxo-2,5,17-trioxa-11-azapentacyclo[16.7.1.01,21.03,24.07,12]hexacosa-7(12),8,10-trien-19-yl] benzoate