cyclo(4-amino-1-carbamimidoylpiperidine-4-carboxylic acid-arginyl-3-(2-naphthyl)alanyl-glycyl-tyrosyl)
cyclo(4-amino-1-carbamimidoylpiperidine-4-carboxylic acid-arginyl-3-(2-naphthyl)alanyl-glycyl-tyrosyl)