137769-78-9

L-Phenylalanine,N-[N-[4-[[[1,4,7,8,9,10-hexahydro-6,10-dioxo-9-[[(phenylmethyl)amino]methyl]-6H-pyridazino[1,2-a][1,2]diazepin-1-yl]acetyl]amino]-3-hydroxy-6-methyl-1-oxoheptyl]-L-isoleucyl]-, methyl ester