New Isocyano and Isothiocyanato Terpene Metabolites from the Tropical Marine Sponge Acanthella cavernosa

New Isocyano and Isothiocyanato Terpene Metabolites from the Tropical Marine Sponge Acanthella cavernosa A Comparison of Sesquiterpene Scaffolds across Different Populations of the Tropical Marine Sponge <i>Acanthella cavernosa</i> Two New Sesquiterpene Isothiocyanates from the Marine Sponge Acanthella klethra Terpene Isocyanides, Isocyanates, and Isothiocyanates from the Okinawan Marine Sponge <i>Stylissa</i> sp. Terpene Isocyanides, Isocyanates, and Isothiocyanates from the Okinawan Marine Sponge <i>Stylissa</i> sp. Two sesquiterpene isocyanides and a sesquiterpene thiocyanate from the marine sponge Acanthella cf. cavernosa and the Nudibranch Phyllidia ocellata New Isothiocyanate Sesquiterpenes From the Australian Marine Sponge Acanthella pulcherrima Acanthenes A to C: a chloro, isothiocyanate, formamide sesquiterpene triad isolated from the Northeastern Pacific marine sponge Acanthella sp. and the dorid nudibranch Cadlina luteomarginata Biosynthesis of isocyanoterpenes in sponges New nitrogenous sesquiterpenes from the marine sponge Axinella cannabina