N4-L-Tyr-Cyclo[D-A2bu-Gly-3-(2-naphtyl)-D-Ala-D-Leu-]
N4-L-Tyr-Cyclo[D-A2bu-Gly-3-(2-naphtyl)-D-Ala-D-Leu-] ??
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N4-L-Tyr-Cyclo[D-A2bu-Gly-3-(2-naphtyl)-D-Ala-D-Leu-] C??? ??, ??, ??
N4-L-Tyr-Cyclo[D-A2bu-Gly-3-(2-naphtyl)-D-Ala-D-Leu-] ?? ?? ? ???
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N4-L-Tyr-Cyclo[D-A2bu-Gly-3-(2-naphtyl)-D-Ala-D-Leu-] ?? ??
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