Diterpenes featuring the spatane, seco-spatane and prenylcubebane carbocycles from the invasive brown alga Rugulopteryx okamurae - Dikaia Varla; Aikaterini Koutsaviti; Kyriaki Papadopoulou; Susana Agusti; Carlos M. Duarte; Vassilios Roussis; Olga Tzakou; Efstathia Ioannou (Phytochemistry Letters, 2025)