cyclic(aspartyl-cysteinyl-alanyl-tryptophyl-histidyl-leucyl-glycyl-glutamyl-leucyl-valvyl-tryptophyl-cysteinyl-threonyl)
cyclic(aspartyl-cysteinyl-alanyl-tryptophyl-histidyl-leucyl-glycyl-glutamyl-leucyl-valvyl-tryptophyl-cysteinyl-threonyl)