| —— | 
                                        5,8-dimethyl-7-nitro-6-ethoxy-7H-5,6,6a,7a,8,13,13a,14-octahydroquinoxalino<1,2-a:2',3'-d>pyrrole | 
                                        113271-54-8 | 
                                        C21H25N5O3 | 
                                        395.461 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (6R,6aS,7S,7aS,13aR)-6-Methoxy-5,8-dimethyl-7-nitro-5,6,6a,7,7a,8,13,13a-octahydro-5,8,13,13b-tetraaza-dibenzo[b,g]fluorene | 
                                        113271-52-6 | 
                                        C20H23N5O3 | 
                                        381.434 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        3,10-dimethyl-8-nitrodibenzo-1,3,6,10-tetraazatetracyclo<7.3.1.02,7.06,13>trideca-4,11-diene | 
                                        113296-45-0 | 
                                        C19H19N5O2 | 
                                        349.392 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        6-butylthio-5,8-dimethyl-7-nitro-7H-5,6,6a,7a,8,13,13a,14-octahydroquinoxalino<1,2-a:2',3'-d>pyrrole | 
                                        113271-55-9 | 
                                        C23H29N5O2S | 
                                        439.582 |