2',6'-dimethyltyrosyl-1,2,3,4-tetrahydroisoquinolinecarbonyl-phenylalanyl-(N(epsilon)-benzyloxycarbonyl)lysine
2',6'-dimethyltyrosyl-1,2,3,4-tetrahydroisoquinolinecarbonyl-phenylalanyl-(n(epsilon)-benzyloxycarbonyl)lysine