FIELD: chemistry.
SUBSTANCE: present invention discloses a method of purifying liraglutide by reverse-phase high-performance liquid chromatography using selective agents for forming an ion pair, which enables to purify crude liraglutide from closely related impurities.
EFFECT: purification of glucagon-like peptide-1 analogues is disclosed.
6 cl, 4 dwg, 1 tbl, 3 ex
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