Four New Ursane-Type Triterpenes, Olibanumols K, L, M, and N, from Traditional Egyptian Medicine Olibanum, the Gum-Resin of Boswellia carterii

Four New Ursane-Type Triterpenes, Olibanumols K, L, M, and N, from Traditional Egyptian Medicine Olibanum, the Gum-Resin of Boswellia carterii New terpenoids, olibanumols D–G, from traditional Egyptian medicine olibanum, the gum-resin of Boswellia carterii Absolute Stereostructures of Olibanumols A, B, C, H, I, and J from Olibanum, Gum-Resin of Boswellia carterii, and Inhibitors of Nitric Oxide Production in Lipopolysaccharide-Activated Mouse Peritoneal Macrophages Hepatoprotective Prenylaromadendrane-Type Diterpenes from the Gum Resin of <i>Boswellia carterii</i> Cembranoids from the Gum Resin of Boswellia carterii as Potential Antiulcerative Colitis Agents Oblongifolins A−D, Polyprenylated Benzoylphloroglucinol Derivatives from <i>Garcinia </i><i>o</i><i>blongifolia</i> Lignans and Triterpenes from the Bark of <i>Durio carinatus</i> and <i>Durio oxleyanus</i> New Oleanene Triterpenoid Saponins from<i> Madhuca </i><i>l</i><i>ongifolia</i> A New Sesquiterpene, α‐Santalane‐11,12,13‐Triol from the Root Bark of <i>Severinia Buxifolia</i> in Hainan An oleanane acid from Alibertia edulis