英文名称
1-[(1R,3R,4R)-6-amino-4-[tert-butyl(dimethyl)silyl]oxy-1-[[tert-butyl(dimethyl)silyl]oxymethyl]-8,8-dioxo-2,9-dioxa-8$l^{6}-thiaspiro[4.4]non-6-en-3-yl]-3-[3-[1-[(2R,5S)-5-(hydroxymethyl)-2,5-dihydrofuran-2-yl]-2,4-dioxo-pyrimidin-5-yl]prop-2-ynyl]-5-methyl-pyrimidine-2,4-dione