The molecule is an L-tyrosine derivative having a 3'-O-{[(6-aminohexyl)oxy](hydroxy)phosphoryl}uridine phosphate attached to the phenolic hydroxy group via a phosphoester linkage. It is a uridine bisphosphate and a L-tyrosine derivative.
(2S)-2-amino-3-[4-[[(2R,3S,4R,5R)-3-[6-aminohexoxy(hydroxy)phosphoryl]oxy-5-(2,4-dioxopyrimidin-1-yl)-4-hydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxyphenyl]propanoic acid