| —— | 4-Oxo-pentanoic acid 2-[2-((2R,3S,4R,5R)-4-hydroxy-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-5-{6-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-purin-9-yl}-tetrahydro-furan-3-yloxy)-ethoxy]-ethyl ester | 191853-59-5 | C48H50N6O13 | 918.957 | 
                                                                                                                                            
                                        | —— | 4-Oxo-pentanoic acid 2-(2-{(2R,3R,4R,5R)-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-5-{6-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-purin-9-yl}-4-[2-(4-nitro-phenyl)-ethoxycarbonyloxy]-tetrahydro-furan-3-yloxy}-ethoxy)-ethyl ester | 191853-63-1 | C57H57N7O17 | 1112.12 | 
                                                                                                                                            
                                        | —— | 4-Oxo-pentanoic acid 2-(2-{(2R,3R,4R,5R)-2-hydroxymethyl-5-{6-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-purin-9-yl}-4-[2-(4-nitro-phenyl)-ethoxycarbonyloxy]-tetrahydro-furan-3-yloxy}-ethoxy)-ethyl ester | 191853-67-5 | C37H41N7O16 | 839.77 | 
                                                                                                                                            
                                        | —— | 4-Oxo-pentanoic acid 2-[2-((2R,3S,4R,5R)-4-hydroxy-2-hydroxymethyl-5-{6-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-purin-9-yl}-tetrahydro-furan-3-yloxy)-ethoxy]-ethyl ester | 191853-55-1 | C28H34N6O12 | 646.611 | 
                                                                                                                                            
                                        | —— | 4-Oxo-pentanoic acid 2-{2-[(2R,3S,4R,5R)-5-(6-amino-purin-9-yl)-4-hydroxy-2-hydroxymethyl-tetrahydro-furan-3-yloxy]-ethoxy}-ethyl ester | 191853-51-7 | C19H27N5O8 | 453.452 |