3-Deoxy-D-manno-oct-2-ulosonic acid
3-Deoxy--manno-oct-2-ulosonic acid is an ulosonic acid of a 2-ketooctose which is used by bacteria in the synthesis of lipopolysaccharides. The -manno prefix indicates that the four chiral centers have the same configuration as -mannose.
Image:3-Deoxy-D-manno-oct-2-ulosonic acid.svg|400px|thumb|left|The cyclization of 3-deoxy--manno-oct-2-ulosonic acid to the β-anomer. The chiral centers are indicated by asterisks.