(2S,3S,4S,5R,6S)-3,4,5-triacetoxyl-6-(1-isopropyl-3-methyl-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinoline-5-oxy)-tetrahydro-2H-pyran-2-methylformate                                                                                                                                                              在
                                                                                                                                                                                 
lithium hydroxide monohydrate   、                                                                                                  
水                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以62 mg的产率得到(2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(1-isopropyl-3-methyl-6,7,8,9-tetrahydro-3H-pyrazolo[3,4-c]isoquinoline-5-oxy)-tetrahydro-2H-pyran-2-formic acid