phosphoric acid dibenzyl ester 2-benzyloxy-2-[9,15-dibenzyl-3-sec-butyl-6-[4-(tert-butyl-dimethyl-silanyloxy)-benzyl]-12-(3-hydroxy-propyl)-7,19-dimethyl-2,5,8,11,14,17-hexaoxo-1-oxa-4,7,10,13,16-pentaaza-cyclononadec-18-ylcarbamoyl]-ethyl ester

Troc-(S)-Thr[Boc-(S)-Phs(Bn)-(S)-Phe-(S)-NMe-Tyr-(S)-Ile]-(S)-Phe-OAllyl

Troc-(S)-Thr[Boc-(S)-Phs(Bn)-(S)-Phe-(S)-NMe-Tyr(TBS)-(S)-Ile]-(S)-Phe-OAllyl