Metachromin C, a New Cytotoxic Sesquiterpenoid from the Okinawan Maring Sponge Hippospongia metachromia

Metachromin C, a New Cytotoxic Sesquiterpenoid from the Okinawan Maring Sponge Hippospongia metachromia Metachromins D-H, new cytotoxic sesquiterpenoids from the Okinawan marine sponge Hippospongia metachromia Metachromins R-T, New Sesquiterpenoids from Marine Sponge Spongia sp. Metachromins R-T, New Sesquiterpenoids from Marine Sponge Spongia sp. New Sesquiterpene Hydroquinones from a Taiwanese Marine Sponge, <i>Hippospongia </i><i>m</i><i>etachromia</i> Nakijiquinones G–I, new sesquiterpenoid quinones from marine sponge Metachromins U–W: Cytotoxic Merosesquiterpenoids from an Australian Specimen of the Sponge <i>Thorecta reticulata</i> Nakijiquinones J−R, Sesquiterpenoid Quinones with an Amine Residue from Okinawan Marine Sponges Dactyloquinones C, D and E novel sesquiterpenoid quinones, from the Okinawan marine sponge, Dactylospongia elegans 5-epi-Isospongiaquinone, a New Sesquiterpene/Quinone Antibiotic from an Australian Marine Sponge, Spongia hispida