(3R,6S)-3,6-Dihydro-3-(1-hydroxy-1-methylethyl)-6-isopropyl-2,5-dimethoxypyrazin

甲醇

(S)-(S)-2-amino-3-methylbutanoic phosphoric anhydride

(2R,5S)-5-isopropyl-3,6-dimethoxy-2-propargyl-2,5-dihydropyrazine

Ac-Aib-Aib-Val-Aib-Val-Aib-Aib-Ala-Aib-prolinol