An experiment to determine the biological activity of a compound, such as its effectiveness as a drug.
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L-Tryptophan,L-valylglycyl-L-seryl-1-[(R)-carboxy[(5-oxo-L-prolyl-L-prolyl-L-tyrosyl)amino]methyl]-,(41®1)-lactam
C33H34N4O4
C65H82N4O25