Synonyms: Relaxin CMa(pig),1A-de-L-arginine-27B-de-L-tryptophan-28B-deglycine-29B-de-L-arginine-30B-de-L-threonine-31B-de-L-alanine-;3,4,44,45,90,91-Hexathia-8,11,14,17,20,23,26,29,32,35,38,41,48,51,54,57,60,63,66,69,72,75,78,81,84,86-hexacosaazabicyclo[72.11.7]dononacontane,cyclic peptide deriv.; Relaxin C 1 (pig)