O-(S-3-(2,4-dioxopentyl)-3,6,8,9-tetrahydroxy-1-oxo-1,2,3,4-tetrahydroanthracene-2-carboxylpantetheine-4'-phosphoryl)-L-serine(2-) residue
o-(s-3-(2,4-dioxopentyl)-3,6,8,9-tetrahydroxy-1-oxo-1,2,3,4-tetrahydroanthracene-2-carboxylpantetheine-4'-phosphoryl)-l-serine(2-) residue