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L-Serine,N-[N-[N-[N-[N-[N-[N-[N-(N-L-tyrosyl-L-leucyl)-L-phenylalanyl]-L-a-aspartyl]-L-alanyl]-L-seryl]-L-a-aspartyl]-L-seryl]-L-seryl]-, 1-methyl ester related products: