821007-51-6

L-Proline,L-alanyl-L-prolyl-L-prolyl-L-threonyl-L-prolyl-L-prolyl-L-prolyl-L-leucyl-L-prolyl-L-prolyl-L-prolyl-L-leucyl-L-isoleucyl-L-prolyl-L-prolyl-L-prolyl-L-prolyl-L-prolyl-L-leucyl-L-prolyl-