| —— | 
                                        5,6-Dihydro-2-o-hydroxyphenyl-4-methyl-4H-1,3,4-oxadiazin-5-on | 
                                        28669-25-2 | 
                                        C10H10N2O3 | 
                                        206.201 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-ethyl-2-(2-hydroxy-phenyl)-4H-[1,3,4]oxadiazin-5-one | 
                                        53995-32-7 | 
                                        C11H12N2O3 | 
                                        220.228 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5,6-Dihydro-2-o-hydroxyphenyl-4-hydroxymethyl-4H-1,3,4-oxadiazin-5-on | 
                                        28669-16-1 | 
                                        C10H10N2O4 | 
                                        222.2 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-(2-hydroxy-phenyl)-4-propyl-4H-[1,3,4]oxadiazin-5-one | 
                                        53995-33-8 | 
                                        C12H14N2O3 | 
                                        234.255 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-(3-chloro-propyl)-2-(2-hydroxy-phenyl)-4H-[1,3,4]oxadiazin-5-one | 
                                        53995-35-0 | 
                                        C12H13ClN2O3 | 
                                        268.7 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-(2-hydroxy-phenyl)-4-(2-phenoxy-ethyl)-4H-[1,3,4]oxadiazin-5-one | 
                                        53995-37-2 | 
                                        C17H16N2O4 | 
                                        312.325 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-(2-hydroxy-phenyl)-4-(2-p-tolyloxy-ethyl)-4H-[1,3,4]oxadiazin-5-one | 
                                        53995-39-4 | 
                                        C18H18N2O4 | 
                                        326.352 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        2-(2-hydroxy-phenyl)-4-(3-pyrrolidin-1-yl-propyl)-4H-[1,3,4]oxadiazin-5-one | 
                                        53995-45-2 | 
                                        C16H21N3O3 | 
                                        303.361 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        4-[2-(4-chloro-phenoxy)-ethyl]-2-(2-hydroxy-phenyl)-4H-[1,3,4]oxadiazin-5-one | 
                                        53995-38-3 | 
                                        C17H15ClN2O4 | 
                                        346.77 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        5,6-dihydro-2-o-hydroxyphenyl-4H-1,3,4-oxadiazin-5-one-4-acetic acid hydrazide | 
                                        141213-02-7 | 
                                        C11H12N4O4 | 
                                        264.241 |