Eritadenine methyl ester

methyl (2R,3R)-4-(6-aminopurin-9-yl)-2,3-dihydroxy-butanoate

4-(6-Amino-9H-purin-9-yl)-4-deoxy-D-erythronic acid methyl ester

(αR,βR)-6-Amino-α,β-dihydroxy-9H-purine-9-butyric acid methyl ester