Synonyms: Butanamide,N-[[(1-carboxy-2-phenylethyl)amino]carbonyl]alanyl-N-[[5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)dihydro-4-hydroxy-2(3H)-furanylidene]methyl]-N3-(3-hydroxyphenylalanyl)-N3-methyl-2,3-diamino-;Butanamide,N-[[(1-carboxy-2-phenylethyl)amino]carbonyl]alanyl-N3-(3-hydroxyphenylalanyl)-2-amino-N-[[5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)dihydro-4-hydroxy-2(3H)-furanylidene]methyl]-3-(methylamino)-(9CI); Pacidamycin 5