英文别名
4-(O2',O3'-isopropylidene-uridin-3-yl)-butyric acid ethyl ester;N-3-(3-ethoxycarbonyl-propyl)-2',3'-O-isopropylidene-uridine;ethyl 4-[3-[(3aR,4R,6R,6aR)-6-(hydroxymethyl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-2,6-dioxopyrimidin-1-yl]butanoate