| —— | 5-methoxy-5,7,7-trimethyl-3-(4-nitrophenyl)-6H-[1,2]oxazolo[3,2-b][1,3]oxazin-2-one | 75003-35-9 | C16H18N2O6 | 334.329 | 
                                                                                                                                            
                                        | —— | 5-ethoxy-5,7,7-trimethyl-3-(4-nitro-phenyl)-6,7-dihydro-5H-isoxazolo[3,2-b][1,3]oxazin-2-one | 58007-66-2 | C17H20N2O6 | 348.356 | 
                                                                                                                                            
                                        | —— | 5,7,7-trimethyl-3-(4-nitrophenyl)-5-propoxy-6H-[1,2]oxazolo[3,2-b][1,3]oxazin-2-one | 75003-41-7 | C18H22N2O6 | 362.382 | 
                                                                                                                                            
                                        | —— | 5-Isopropoxy-5,7,7-trimethyl-3-(4-nitro-phenyl)-6,7-dihydro-5H-isoxazolo[3,2-b][1,3]oxazin-2-one | 75003-38-2 | C18H22N2O6 | 362.382 | 
                                                                                                                                            
                                        | —— | 4-(4-nitrophenyl)disic acid | 58007-11-7 | C9H6N2O5 | 222.157 |