Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07K
PEPTIDES
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7/00
Peptides having 5 to 20 amino acids in a fully defined sequence; Derivatives thereof
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C07K7/50
Cyclic peptides containing at least one abnormal peptide link
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C07K7/52
with only normal peptide links in the ring
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