1-(4-chlorobenzyl)-6-(3-fluoro-4-isopropoxyphenylimino)-3-(2-amino-2-hydroxyiminoethyl)-1,3,5-triazinane-2,4-dion   、                                                                                      
氯甲酸乙酯                                                                                                                                                              在
                                                                                                                                                                                 Acetonitrile water formic acid                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                    反应 23.0h,
                                                                                                                以to give 1-(4-chlorobenzyl)-6-(3-fluoro-4-isopropoxyphenylimino)-3-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-ylmethyl)-1,3,5-triazinane-2,4-dion (20 mg, Yield: 24%) as colorless amorphous的产率得到1-(4-chlorobenzyl)-6-(3-fluoro-4-isopropoxyphenylimino)-3-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-ylmethyl)-1,3,5-triazinane-2,4-dion