N-({5-[(4-Amino-4-oxobutanoyl)amino]-8,9-dihydroxy-1,2,3,4-tetrahydropyrimido[1,2-a]quinolin-11-ium-1-yl}carbonyl)seryllysylglycyl-N~5~-formyl-N-[6-{3-[formyl(hydroxy)amino]propyl}-3-(hydroxymethyl)-2 ,5,8-trioxo-1,4,7-triazacyclotridecan-9-yl]-N~5~-hydroxyornithinamide

N-({5-[(4-Amino-4-oxobutanoyl)amino]-8,9-dihydroxy-1,2,3,4-tetrahydropyrimido[1,2-a]chinolin-11-ium-1-yl}carbonyl)seryllysylglycyl-N~5~-formyl-N-[6-{3-[formyl(hydroxy)amino]propyl}-3-(hydroxymethyl)-2 ,5,8-trioxo-1,4,7-triazacyclotridecan-9-yl]-N~5~-hydroxyornithinamid

N-({5-[(4-Amino-4-oxobutanoyl)amino]-8,9-dihydroxy-1,2,3,4-tétrahydropyrimido[1,2-a]quinoléin-11-ium-1-yl}carbonyl)séryllysylglycyl-N~5~-formyl-N-[6-{3-[formyl(hydroxy)amino]propyl}-3-(hydroxyméthyl)- 2,5,8-trioxo-1,4,7-triazacyclotridécan-9-yl]-N~5~-hydroxyornithinamide

N-({5-[(4-Amino-4-oxobutanoyl)amino]-8,9-dihydroxy-1,2,3,4-tetrahydropyrimido[1,2-a]quinolin-11-ium-1-yl}carbonyl)seryllysylglycyl-N~5~-formyl-N-[6-{3-[formyl(hydroxy)amino]propyl}-3-(hydroxymethyl)-2 ,5,8-trioxo-1,4,7-triazacyclotridecan-9-yl]-N~5~-hydroxyornithinamide

Ornithinamide, N-[[5-[(4-amino-1,4-dioxobutyl)amino]-1,2,3,4-tetrahydro-8,9-dihydroxypyrimido[1,2-a]quinolin-11-ium-1-yl]carbonyl]seryllysylglycyl-N~5~-formyl-N-[6-[3-(formylhydroxyamino)propyl]-3-(hy droxymethyl)-2,5,8-trioxo-1,4,7-triazacyclotridec-9-yl]-N~5~-hydroxy-

Pyoverdin 3/8/2 ATCC 13525