121716-57-2

BombyxinIV (B-chain reduced),2-L-glutamine-3-L-proline-4-L-glutamine-5-L-arginine-6-L-valine-8-L-threonine-16-L-arginine-24-L-glutamicacid-25-L-alanine-26-glycine-28-L-aspartic acid-