The molecule is the carbohydrate acid derivative anion formed from (allyl 7-azido-3,7-dideoxy-beta-L-gulo-oct-2-ulopyranosid)onic acid by proton loss from the carboxy group. It is a conjugate base of an (allyl 7-azido-3,7-dideoxy-beta-L-gulo-oct-2-ulopyranosid)onic acid.
(2R,4R,5R,6R)-6-[(1S)-1-azido-2-hydroxyethyl]-4,5-dihydroxy-2-prop-2-enoxyoxane-2-carboxylate