2',6'-dimethyltyrosyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid-beta-methylcyclohexylalanyl-phenylalanine
2',6'-dimethyltyrosyl-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid-beta-methylcyclohexylalanyl-phenylalanine