1-[(6R,8R)-4-amino-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ⁶-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidine-2,4-dione

[(2R,3R,4R,5R)-4-[tert-butyl(dimethyl)silyl]oxy-2-[[tert-butyl(dimethyl)silyl]oxymethyl]-3-cyano-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl] methanesulfonate

(1-(β-D-ribofuranosyl)thymine)-3'-spiro-5''-(4''-amino-1'',2''-oxathiole 2'',2''-dioxide)

叔丁基二甲基氯硅烷

(2R,4R,5R)-4-((tert-butyldimethylsilyl)oxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-carbonitrile

1-[(5R,6R,7R,9R)-4-氨基-6-(叔丁基-二甲基硅烷基)氧基-9-[(叔丁基-二甲基硅烷基)氧基甲基]-2,2-二氧代-1,8-二氧杂-2-硫杂螺[4.4]壬-3-烯-7-基]-5-甲基嘧啶-2,4-二酮

1-[(6R,8R,9R)-4-amino-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-9-hydroxy-2,2-dioxo-1,7-dioxa-2λ⁶-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidine-2,4-dione

1-(2,5-bis-O-(tert-butyldimethylsilyl)-β-D-erythro-pentofuran-3-ulosyl)thymine