Keywords Lobophytum crassum;Codium fragile;Chondria crassicaulis;Garuga forrestii;Bioactivity;Chemical constituents;Structure clucidation;

• 海洋生物;天然产物;厚叶软珊瑚;刺松藻;粗枝软骨藻;白头树;化学成分;结构鉴定;生物活性;