Synonyms: a-Calcitonin gene-related peptide(human), 1-L-serine-3-L-asparagine-25-L-aspartic acid-35-L-glutamic acid-; a-Calcitonin gene-related peptide(rat) (9CI); 1,2-Dithia-5,8,11,14,17-pentaazacycloeicosane, cyclic peptidederiv.; CGRP-1 (rat gene related); Calcitonin-peptide 1 (rat gene related); Ratcalcitonin gene-related peptide-1; Rat a-CGRP; Rat a-calcitonin gene-related peptide