| —— | 
                                        (3R,5R,6R,7R)-5-propan-2-yloxy-4,8-dioxa-1,11,12,13-tetrazatricyclo[8.3.0.03,7]trideca-10,12-dien-6-ol | 
                                        1018476-33-9 | 
                                        C10H16N4O4 | 
                                        256.261 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R,5S,6R,7R)-5-propan-2-yloxy-4,8-dioxa-1,11,12,13-tetrazatricyclo[8.3.0.03,7]trideca-10,12-dien-6-ol | 
                                        1018476-32-8 | 
                                        C10H16N4O4 | 
                                        256.261 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R,6R,7R)-5-but-3-ynoxy-4,8-dioxa-1,11,12,13-tetrazatricyclo[8.3.0.03,7]trideca-10,12-dien-6-ol | 
                                        1018476-36-2 | 
                                        C11H14N4O4 | 
                                        266.257 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R,5S,6R,7R)-5-prop-2-enoxy-4,8-dioxa-1,11,12,13-tetrazatricyclo[8.3.0.03,7]trideca-10,12-dien-6-ol | 
                                        1018476-34-0 | 
                                        C10H14N4O4 | 
                                        254.246 | 
                                    
                                                                                                                                            
                                        | —— | 
                                        (3R,5R,6R,7R)-5-prop-2-enoxy-4,8-dioxa-1,11,12,13-tetrazatricyclo[8.3.0.03,7]trideca-10,12-dien-6-ol | 
                                        1018476-35-1 | 
                                        C10H14N4O4 | 
                                        254.246 |