英文名称
3-[[3-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2lambda6-thiaspiro[4.4]non-3-en-8-yl]-2,6-dioxopyrimidin-1-yl]methyl]-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione