The molecule is a UDP-sugar in which the sugar component is L-iduronic acid. It is a member of iduronates and an UDP-sugar. It derives from a L-idopyranuronic acid. It is a conjugate acid of an UDP-L-iduronate(3-).
(2R,3S,4S,5R)-6-[[[(2R,3S,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid