8-acetoxy-9-benzoyloxy-15(2)-methylbutyroyloxy-2-nicotynoyloxy-1,4,6-trihydroxydihydro-beta-agarofuran
8-acetoxy-9-benzoyloxy-15(2)-methylbutyroyloxy-2-nicotynoyloxy-1,4,6-trihydroxydihydro-beta-agarofuran