The molecule is a ketoaldonic acid derivative derivative that is a seven-membered ketoaldonic acid having an amino substituent at the 2-position and the 3- and 7-positions deoxygenated. It is a tautomer of a 2-amino-2,3,7-trideoxy-D-lyxo-hept-6-ulosonic acid zwitterion.
(2S,4R,5S)-2-amino-4,5-dihydroxy-6-oxoheptanoic acid