(4aR,6S,7R,8aS)-6-(2-Hydroxy-ethyl)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol

2,2-Dimethyl-propionic acid (2R,3S,4aR,5S,7R,8aR,9aS,10aR)-7-(2-acetoxymethyl-allyl)-5-(tert-butyl-dimethyl-silanyloxy)-2-(2,2-dimethyl-propionyloxymethyl)-10a-methyl-decahydro-1,8,10-trioxa-anthracen-3-yl ester

(2R,3S,4aR,5S,7R,8aR,9aS,10aR)-5-(tert-Butyl-dimethyl-silanyloxy)-7-[2-(tert-butyl-diphenyl-silanyloxymethyl)-allyl]-2-hydroxymethyl-10a-methyl-decahydro-1,8,10-trioxa-anthracen-3-ol

(2R,4aR,5S,7R,8aR,9aS,10aR)-5-(tert-Butyl-dimethyl-silanyloxy)-7-[2-(tert-butyl-diphenyl-silanyloxymethyl)-allyl]-3,3-bis-ethylsulfanyl-10a-methyl-decahydro-1,8,10-trioxa-anthracene-2-carbaldehyde

{(2R,4aR,5S,7R,8aR,9aS,10aR)-5-(tert-Butyl-dimethyl-silanyloxy)-7-[2-(tert-butyl-diphenyl-silanyloxymethyl)-allyl]-3,3-bis-ethylsulfanyl-10a-methyl-decahydro-1,8,10-trioxa-anthracen-2-yl}-methanol