4,4'-双甲氧基三苯甲基氯

N4-苯甲酰基-2'-脱氧-5-甲基胞苷

benzoic acid 5-(4-benzoylamino-5-methyl-2-oxo-2H-pyrimidin-1-yl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-furan-3-yl ester

保护胸苷

胸苷