3,5-Diiodo-N-phe-tyr 80434-83-9 L-Tyrosine, 3,5-diiodo-N-L-phenylalanyl- Melanotropin potentiating factor Msh potentiating factor PADIT Phe-diiodo-tyr Phenylalanyl-diiodotyrosine beta Lipotropin (88-91) beta-Lph (88-91)