The molecule is an organophosphate oxoanion obtained by deprotonation of the phosphate OH groups of L-arabino-1,4-lactone-5-phosphate. Major microspecies at pH 7.3. It is a conjugate base of a L-arabino-1,4-lactone-5-phosphate.
[(2S,3R,4R)-3,4-dihydroxy-5-oxooxolan-2-yl]methyl phosphate