New laurene derivatives from Laurencia filiformis

New laurene derivatives from Laurencia filiformis Laurene-type sesquiterpenes from the Red Sea red alga Laurencia obtusa as potential antitumor–antimicrobial agents Diterpenes, Sesquiterpenes, and a C₁₅-Acetogenin from the Marine Red Alga <i>Laurencia mariannensis</i> Aristolane Sesquiterpenes and Highly Brominated Indoles from the Marine Red Alga <i>Laurencia similis</i> (Rhodomelaceae) Three New Sesquiterpenes from the Red Alga <i>Laurencia perforata</i> Bisabolanes from the Red Alga <i>Laurencia </i><i>s</i><i>coparia</i> Sesquiterpenes from the Marine Red Alga <i>Laurencia saitoi</i> Two metabolites from the red alga Laurencia flexilis C15 Acetogenins from the red alga Laurencia obtusa Laurencione, a heterocycle from the red alga Laurencia spectabilis