2-deoxy-4-O-<(4-methylphenyl)sulfonyl>-5-O-(triphenylmethyl)-D-erythro-pentose cyclic 1,3-propanediyl mercaptal

2-deoxy-3-O-<(4-methylphenyl)sulfonyl>-5-O-(triphenylmethyl)-D-erythro-pentose cyclic 1,3-propanediyl mercaptal

(2R,4aR,6S,8aS)-2-phenyl-6-[2-(2,5-dimethyl-1H-pyrrol-1-yl)-2-oxoethyl]tetrahydro-1,3-dioxino[4,5-e]pyran-7-one

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