2,3,5-tri-O-benzoyl-D-ribofuranosyl(N-phenyl)trifluoroacetimidate

尿嘧啶

1-乙酰基-2,3,5-三苯甲酰氧基-1-beta-D-呋喃核糖

2,4-二(三甲硅氧基)嘧啶