Two New Iridoids from the Leaves ofGelsemium elegansBenth. in Thailand

Abstract
From the leaves of Gelsemium elegans Benth. native to Thailand, two new iridoids, 7-deoxygelsemide (7) and 9-deoxygelsemide (9), were isolated as minor constituents together with known compounds, gelsemide (5) and gelsemiol (6).