Application of analgesic peptides as an active substance in the equipment designed to administer medicine in the place where it is expected to bring relief

摘要

Provided are compounds represented by: wherein R1 is a D-alanine, D-serine, D-threonine, D-methionine, D-leucine, D-asparagine or D-glutamine side chain and R2 is a phenylalanine or tryptophan side-chain, and compositions containing such compounds.