Oxazolo[5,4-d]pyrimidin
                            Order
                            39687-14-4
                            
                                Trifluoroacetic acid [(2R)-2,3,3aβ,9aβ-tetrahydro-7-methyl-6-oxo-3β-[(trifluoroacetyl)oxy]-6H-furo[2,3:4,5]oxazolo[3,2-a]pyrimidin-2α-yl]methyl ester
                            
                        
                        
                            Order
                            61581-27-9
                            
                                Oxazolo[4,5-d]pyrimidin-2-ol,3-acetyl-5-amino-2,3-dihydro-7-methyl-2-(2-methylphenyl)-, acetate(ester)
                            
                        
                        
                            Order
                            25878-33-5
                            
                                (2R,3R,3aR,6E,9aR)-2-(hydroxymethyl)-6-imino-2,3,3a,9a-tetrahydro-6H-furo[2',3':4,5][1,3]oxazolo[3,2-a]pyrimidin-3-yl dihydrogen phosphate
                            
                        
                        
                        
                            Order
                            65709-14-0
                            
                                4-(5,7-dimethyl-4,6-dioxo-4,5,6,7-tetrahydro[1,2]oxazolo[3,4-d]pyrimidin-3-yl)butanoic acid
                            
                        
                        
                        
                            Order
                            30346-04-4
                            
                                (7-oxo-8-phenyl-5-thioxo-2,3,6,7-tetrahydro-5H-[1,3]oxazolo[3,2-c]pyrimidin-2-yl)methyl acetate
                            
                        
                        
                        
                        
                        
                        
                            Order
                            40732-64-7
                            
                                2,2-Dimethylpropionic acid [(2R)-3β-acetoxy-2,3,3aβ,9aβ-tetrahydro-6-oxo-6H-furo[2,3:4,5]oxazolo[3,2-a]pyrimidin-2α-yl]methyl ester
                            
                        
                        
                        
                        
                        
                        
                            Order
                            40732-72-7
                            
                                2,2-Dimethylpropionic acid (2R)-2,3,3aβ,9aβ-tetrahydro-6-oxo-2α-[[(trifluoroacetyl)oxy]methyl]-6H-furo[2,3:4,5]oxazolo[3,2-a]pyrimidin-3β-yl ester
                            
                        
                        
                            Order
                            32414-34-9
                            
                                (2R)-2,3,3aβ,9aβ-Tetrahydro-3β-[(trimethylsilyl)oxy]-2α-[[(trimethylsilyl)oxy]methyl]-6H-furo[2,3:4,5]oxazolo[3,2-a]pyrimidin-6-one
                            
                        
                        
                        
                            Order
                            130515-68-3
                            
                                (3S)-3-{[(2S)-1-azido-3-hydroxypropan-2-yl]oxy}-6-methyl-2,3-dihydro-7H-[1,3]oxazolo[3,2-a]pyrimidin-7-one
                            
                        
                        
                            Order
                            40732-60-3
                            
                                (2R)-2α-(Acetoxymethyl)-2,3,3aβ,9aβ-tetrahydro-3β-[(trimethylsilyl)oxy]-6H-furo[2,3:4,5]oxazolo[3,2-a]pyrimidin-6-one
                            
                        
                        
                            Order
                            32659-29-3
                            
                                (6E)-2-(chloromethyl)-6-imino-2,3,3a,9a-tetrahydro-6H-furo[2',3':4,5][1,3]oxazolo[3,2-a]pyrimidin-3-ol
                            
                        
                        
                            Order
                            51391-97-0
                            
                                (6Z)-7-fluoro-2-(hydroxymethyl)-6-imino-2,3,3a,9a-tetrahydro-6H-furo[2',3':4,5][1,3]oxazolo[3,2-a]pyrimidin-3-yl acetate
                            
                        
                        
                        
                            Order
                            31616-01-0
                            
                                (2R,3aβ,9aβ)-3β-(Benzoyloxy)-2α-[(benzoyloxy)methyl]-2,3,3a,9a-tetrahydro-6H-furo[2,3:4,5]oxazolo[3,2-a]pyrimidin-6-one
                            
                        
                        
                        
                            Order
                            53758-27-3
                            
                                (6E)-2-(hydroxymethyl)-6-imino-2,3,3a,9a-tetrahydro-6H-furo[2',3':4,5][1,3]oxazolo[3,2-a]pyrimidin-3-yl octadecanoate
                            
                        
                        
                            Order
                            55319-77-2
                            
                                Trifluoroacetic acid [(2R)-2,3,3aβ,9aβ-tetrahydro-6-oxo-3β-[(trifluoroacetyl)oxy]-6H-furo[2,3:4,5]oxazolo[3,2-c]pyrimidin-2α-yl]methyl ester
                            
                        
                        
                            Order
                            39687-18-8
                            
                                (2R)-2,3,3aβ,9aβ-Tetrahydro-7-methyl-3β-(trimethylsilyl)oxy-2α-[(trimethylsilyl)oxy]methyl-6H-furo[2,3:4,5]oxazolo[3,2-a]pyrimidin-6-one