As nouns the difference between ergoline and ergopeptine

is that ergoline is (chemistry) a tetracyclic heterocycle whose structural skeleton is contained in a diverse range of alkaloids, including some psychedelic drugs, and whose derivatives are used clinically for vasoconstriction and in the treatment of migraine and parkinson's disease while ergopeptine is (organic compound) a peptide ergot alkaloid; any ergoline derivative that contains a tripeptide moiety, comprising proline and α-hydroxy-α-amino acids, linked in a cyclol formation with the carboxyl carbon of proline.