2-氨甲基吡啶   、                                                                                      (1S,2R,3S,4R)-4-{6-(2,2-diphenylethylamino)-2-[(R)-3-(3-cyano-2-phenylisoureido)pyrrolidin-1-yl]purin-9-yl}-2,3-dihydroxycyclopentanecarboxylic acid ethylamide                                                                                                                                                                                              以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.79h,
                                                                                                                生成                                                 
N-((1S,2R,3S,4R)-4-{6-(2,2-diphenylethylamino)-2-[(R)-3-(N'-cyano-N"-pyridin-3-ylmethylguanidino)-pyrrolidin-1-yl]-purin-9-yl}-2,3-dihydroxycyclopentyl)propionamide