N2-异丁酰-2'-氟脱氧鸟苷

tetraisopropyldisiloxanyl (TPDS) protected 9-beta-D-arabinofuranosylguanine

N2-isobutyryl-9-(2-fluoro-3,5-di-O-tetrahydropyran-2-yl-β-D-arabinofuranosyl)guanine

Trifluoro-methanesulfonic acid (2R,3S,4R,5R)-2-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-4-(tetrahydro-pyran-2-yloxy)-5-(tetrahydro-pyran-2-yloxymethyl)-tetrahydro-furan-3-yl ester