11103-99-4 1391-13-5 30853-52-2 31418-71-0 Coprogen Iron, (5-(hydroxy(3-(5-(3-(hydroxy(5-hydroxy-3-methyl-1-oxo-2-pentenyl)amino)propyl)-3,6-dioxo-2-piperazinyl)propyl)amino)-3-methyl-5-oxo-3-pentenyl N2-acetyl-N5-hydroxy-N5-(5-hydroxy-3-methyl-1-oxo-2-pentenyl)-L-ornithinato(3-))-