The molecule is a aldonolactone phosphate that is L-arabino-1,4-lactone carrying a single phospho substituent at position 5. It is a gamma-lactone and an aldonolactone phosphate. It derives from a L-arabinono-1,4-lactone. It is a conjugate acid of a L-arabino-1,4-lactone-5-phosphate(2-).
[(2S,3R,4R)-3,4-dihydroxy-5-oxooxolan-2-yl]methyl dihydrogen phosphate