129033-04-1 3-((4-Amino-5-(4-hydroxyphenyl)-1-oxo-2-pentenyl)amino)-N-formyl-L-alanyl-D-prolyl-6-((aminoiminomethyl)amino)-2-oxo-3-aminohexanoyl-L-phenylalanine cyclic (4-1)-peptide Cyclotheonamide A L-Phenylalanine, 3-((4-amino-5-(4-hydroxyphenyl)-1-oxo-2-pentenyl)amino)-N-formyl-L-alanyl-D-prolyl-6-((aminoiminomethyl)amino)-2-oxo-3-aminohexanoyl-, cyclic (4-1)-peptide