peptides

Don't let the title discourage you even though it's pretty bad:

"Design of MC1R Selective γ-MSH Analogues with Canonical Amino Acids Leads to Potency and Pigmentation"

 

Yang Zhou, et. al., J. Med. Chem., 2017, 60 (22), pp 9320–9329 DOI: 10.1021/acs.jmedchem.7b01295  (University of Arizona Department of Chemistry and Biochemistry)

Most people brave enough to try to read this will probably understand approximately one word of the entire title: "with."

But if you...