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Boc-(s)-3-amino-4-(2-furyl)butanoic acid

Pyr-gln-phe-phe-gly-leu-met-nh2

Pyr-glu-asp-ser-gly-oh

Pyr-glu-pro-nh2

Pyr-his-pro-betana

Pyr-his-trp-ser-tyr-gly-leu-gln-pro-gly-nh2

Pyr-his-trp-ser-tyr-gly-trp-leu-pro-gly-nh2

Pyridazine, 3-chloro-6-hydrazino-, hydrochloride