Synonyms: Pyrrolo[1,2-g][1,4,7,10,13,16,19,22,25,28,31]undecaazacyclotetratriacontine,cyclic peptide deriv.; Cyclo[D-alloisoleucyl-L-leucylglycyl-(R)-3-aminooctanoyl-L-homoseryl-(Z)-2,3-didehydro-2-aminobutanoyl-trans-4-hydroxy-L-prolyl-L-homoseryl-D-phenylalanyl-D-leucyl-L-isoleucyl]