Synonyms: a-D-xylo-Hexopyranosid-4-ulose,1,2,4,5,6,6a,7,8,9,10a-decahydro-5,9-dihydroxy-9-(methoxymethyl)-6,10a-dimethyl-3-(1-methylethyl)dicyclopenta[a,d]cycloocten-4-yl6-O-methyl-, cyclic1-(2-chloro-1-hydroxyethyl)-2-hydroxy-1-methyl-1,2-ethanediyl acetal, cyclic3,42-anhydride, [1(4R,5R,6R,6aS,9R,10aR),4R[1S(R),2S]]-;7H-2,4a-Epoxy-5H-pyrano[3,4-b]-1,4-dioxin, a-D-xylo-hexopyranosid-4-ulose deriv.;Dicyclopenta[a,d]cyclooctene, a-D-xylo-hexopyranosid-4-ulose deriv.; Cotylenin B