(3S,6R)-3-(4-aminobutyl)-2-benzyl-6-methoxyhexahydropyridazino[1,2-a][1,2,4]triazine-1,4-dione

tert-butyl (S)-3-allyl-5-benzyl-6-(methoxycarbonyl)-14,14-dimethyl-4,12-dioxo-13-oxa-2,3,5,11-tetraazapentadecanoate

(S)-4-(2-benzyl-1,4-dioxo-1,2,3,4,8,9-hexahydropyridazino[1,2-a][1,2,4]triazin-3-yl)butan-1-aminium 2,2,2-trifluoroacetate

Arg-Lys-Asp-Val-Tyr tris trifluoroacetate