| —— | 2-acetamido-6-ethoxy-8-methylthio-9-(2-O-tosyl-1-β-D-ribofuranosyl)-9H-purine | 121801-66-9 | C22H27N5O8S2 | 553.617 | 
                                                                                                                                            
                                        | —— | 2-acetamido-6-ethoxy-9-(2',3',5'-tri-O-acetyl-β-D-ribosyl)purine | 165270-59-7 | C20H25N5O9 | 479.447 | 
                                                                                                                                            
                                        | —— | [(2R,3R,4R,5R)-3,4-diacetyloxy-5-(2-amino-8-bromo-6-ethoxypurin-9-yl)oxolan-2-yl]methyl acetate | 100034-45-5 | C18H22BrN5O8 | 516.305 | 
                                                                                                                                            
                                        | —— | N2-acetyl-O6-ethylguanosine | 105166-09-4 | C14H19N5O6 | 353.335 | 
                                                                                                                                            
                                        | —— | Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-(2-acetylamino-6-oxo-1,6-dihydro-purin-9-yl)-tetrahydro-furan-3-yl ester | 30747-23-0 | C18H21N5O9 | 451.393 | 
                                                                                                                                            
                                        | 2',3',5-三-O-乙酰基-8-溴鸟苷 | 2',3',5'.-tri-O-acetyl-8-bromoguanosine | 15717-45-0 | C16H18BrN5O8 | 488.252 | 
                                                                                                                                            
                                        | 8-溴鸟苷 | 8-bromoguanosine | 4016-63-1 | C10H12BrN5O5 | 362.14 |