NC136390
Methyl (2E)-3-[(5R,6R,8R,9R)-4-amino-8-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-9-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-3-yl]-2-propenoate
307953-58-8