diethyl 6',6'''-(((3-hydroxy-1-methoxy-1-oxopropan-2-yl)azanediyl)bis(methylene))bis([2,2'-bipyridine]-6-carboxylate)                                                                                                                                                              在
                                                                                                                                                                                 
sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 5.0h,
                                                                                                                生成                                                 6-[6-[[(1-Carboxy-2-hydroxyethyl)-[[6-(6-carboxypyridin-2-yl)pyridin-2-yl]methyl]amino]methyl]pyridin-2-yl]pyridine-2-carboxylic acid