1H NMR 1 Antioxidants 1 Caesalpiniaceae 1 Erythrophleum suaveolens 1 Flavonoids 1 Letter 1 NMR 1 mehr ... Research Support, Non-U.S. Gov't 1 Stilbenes 1 flavanonol 1 radical scavenging activity 1 stilbenoid weniger ...