(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2-((2-(tert-butoxy)-2-oxoethyl)(pyridin-2-ylmethyl)amino)ethoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate                                                                                                                                                              在
                                                                                                                                                                                 
甲醇   、                                                                                                  
甲酸   、                                                                                                  
sodium methylate                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 2-[pyridin-2-ylmethyl-[2-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyethyl]amino]acetic acid