59481-79-7 alpha-Endorphin, 10-de-L-serine-11-de-L-glutamine-12-de-L-threonine-13-de-L-proline-14-de-L-leucine-15-de-L-valine-16-de-L-threonine- beta-Endorphin (1-9) beta-Endorphin 1-9