2,4,6,8-Tetraoxa-5-phosphanonanedioic acid, 5-[[(1R)-2-[6-[[[[5-fluoro-1,2-dihydro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2-oxo-4-pyrimidinyl]amino]methyl]amino]-9H-purin-9-yl]-1-methylethoxy]methyl]-, 1,9-bis(1-methylethyl) ester, 5-oxide
恩曲他滨杂质3