dimetil 2-[(S)-1-(terc-butoksikarbonilaminometil)-2-(5-etoksikarbonil-2-tienil)propiltio]malonat
(2R,3R,4R,5R)-2-(4-amino-5-fluór-2-oxopyrimidín-1(2H)-yl)-2-fluór-5-metyltetrahydrofurán-3,4-diyl diacetát