(4aR,6R,7S,8aR,9aS,10aS)-6-Benzyloxy-7-(2-benzyloxy-ethyl)-4,4a,7,10a-tetramethyl-4a,5,6,7,8a,9,9a,10a-octahydro-1,8,10-trioxa-anthracen-2-one

Toluene-4-sulfonic acid 2-((2S,3R,4aS,8aS,9aR,10aR)-3-hydroxy-2,4a,5,10a-tetramethyl-3,4,4a,7,8a,9,9a,10a-octahydro-2H-1,8,10-trioxa-anthracen-2-yl)-ethyl ester

(2S,3R,4aS,8aS,9aR,10aR)-2-(2-Hydroxy-ethyl)-2,4a,5,10a-tetramethyl-3,4,4a,7,8a,9,9a,10a-octahydro-2H-1,8,10-trioxa-anthracen-3-ol

(2S,3R,4aS,8aS,9aR,10aR)-2-(2-Iodo-ethyl)-2,4a,5,10a-tetramethyl-3,4,4a,7,8a,9,9a,10a-octahydro-2H-1,8,10-trioxa-anthracen-3-ol