<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>Excolide A (I), 11‐epi‐excolide A (II), 11, 13‐di‐epi‐excolide A (III), and excolide B (IV) are the first examples of a new class of secolabdanoids from the title species.</p> </abstract>