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Phytochemical investigations of methanolic extracts obtained from leaves and stem bark of Carapichea affinis (Rubiaceae: Palicoureeae), a poorly known relative of the famous vomiting root ipecac (C. ipecacuanha), led to the isolation and identification of two new and five known dopamine-iridoid alkaloids. All of them are structurally related to the famous emetic and anti-amoebic compound emetine....