Isolation from Cussonia barteri of 1′-O-Chlorogenoylchlorogenic Acid and 1′-O-Chlorogenoylneochlorogenic Acid, a New Type of Quinic Acid Esters - Papajewski, S; Vogler, B; Conrad, J; Klaiber, I; Roos, G; Walter, C U; Süßmuth, R; Kraus, W (Planta Medica, 2001)