The chemical Sarafotoxin S 6c may have other designations, including: Endothelin 1 (pig), 2-L-threonine-4-L-asparagine-5-L-aspartic acid-6-L-methionine-7-L-threonine-9-L-glutamic acid-12-L-leucine-13-L-asparagine-17-L-glutamine-19-L-valine-, Sarafotoxin 6c, Sarafotoxin S6c (ChemID).