@article{articlec142a641,
title   = {Cyclic melanotropins. 9. 7-D-phenylalanine analogues of the active-site sequence},
author = {Cody, Wayne L and Mahoney, Mark and Knittel, James J and Hruby, Victor J and Castrucci, Ana Maria de Lauro and Hadley, Mac E},
year = {1985},
doi = {10.1021/jm50001a008},
journal   = {Journal of Medicinal Chemistry}
}