4-(((6S,9aS)-1-(benzylcarbamoyl)-8-((3-acetyl-1-methyl-1H-indol-7-yl)methyl)-2-allyl-octahydro-4,7-dioxo-1H-pyrazino[2,1-c][1,2,4]triazin-6-yl)methyl)phenyl dihydrogen phosphate                                                                                                                                                              在
                                                                                                                                                                                 sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                                                        以95%的产率得到sodium 4-(((6S,9aS)-1-(benzylcarbamoyl)-8-((3-acetyl-1-methyl-1H-indol-7-yl)methyl)-2-allyl-octahydro-4,7-dioxo-1H-pyrazino[2,1-c][1,2,4]triazin-6-yl)methyl)phenyl hydrogenphosphate