Isotamarixen - A New Antioxidant and Prolyl Endopeptidase-Inhibiting Triterpenoid from Tamarix hispida - Sultanova, Nurgul; Makhmoor, Talat; Yasin, Amsha; Abilov, Z A; Omurkamzinova, V B; Atta-ur-Rahman; Choudhary, M Iqbal (Planta Medica, 2004)