Chemical Formula: C42H59N11O17

3-({2-amino-6-[({5-[(3-carboxy-1-hydroxypropylidene)amino]-8,9-dihydroxy-1h,2h,3h-pyrimido[1,2-a]quinolin-1-yl}(hydroxy)methylidene)amino]-1-hydroxyhexylidene}amino)-2-hydroxy-3-[(1-{[2-hydroxy-1-({1-[(1-hydroxy-2-oxopiperidin-3-yl)-c-hydroxycarbonimidoyl]ethyl}-c-hydroxycarbonimidoyl)propyl]-c-hydroxycarbonimidoyl}ethyl)-c-hydroxycarbonimidoyl]propanoic acid