Synonyms: Verucopeptin;Glycine, 3-hydroxy-N-(2-hydroxy-1-oxo-2-(tetrahydro-2-hydroxy-5-methoxy-6-(1,3,5,7-tetramethyl-1-nonenyl)-2H-pyran-2-yl)propyl)leucylhexahydro-3-pyridazinecarbonyl-N-hydroxyglycyl-N-methylglycylglycyl-N-methyl-, rho-lactone;2-hydroxy-N-[6-hydroxy-9,15-dimethyl-19-(1-methylethyl)-5,8,11,14,17,21-hexaoxoicosahydro-19H-pyridazino[6,1-o][1,4,7,10,13,16]oxapentaazacyclononadecin-20-yl]-2-{2-hydroxy-5-methoxy-6-[(1E)-1,3,5,7-tetramethylnon-1-en-1-yl]tetrahydro-2H-pyran-2-yl}propanamide (non-preferred name)