IUPAC:2-methylpropyl (2S)-2-[({[(4R,5R,7R,8R)-5-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-8-hydroxy-1,6-dioxaspiro[3.4]octan-7-yl]methoxy}(phenoxy)phosphoryl)amino]propanoate
IUPAC:2-methylpropyl (2S)-2-[({[(4R,5R,7R,8R)-5-(2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-8-hydroxy-1,6-dioxaspiro[3.4]octan-7-yl]methoxy}(phenoxy)phosphoryl)amino]propanoate