(1R,2S,4S,5S,6R,7R,8S,9S,10S)-1,2-diacetoxy-9-benzoyloxy-15-(2-methylbutyroyloxy)-4,6,8-trihydroxydihydro-beta-agarofuran
(1r,2s,4s,5s,6r,7r,8s,9s,10s)-1,2-diacetoxy-9-benzoyloxy-15-(2-methylbutyroyloxy)-4,6,8-trihydroxydihydro-beta-agarofuran