Iridoids from the edible flowers of Rhododendron pachypodum: structural elucidation and healthspan related bioactivities in Caenorhabditis elegans - Ying Wang; Hou-Run Zhang; Jie Luan; Qi Cheng; Bing Chen; Xiang-Qin Tang; Xiao-Mei Yan; Yong-Ming Yan; Jiang-Bo He (Phytochemistry, 2026)