Methanesulfonic acid (1R,2S)-1-(4-methoxy-benzyloxymethyl)-4-[(2S,5S,6R)-2-methoxy-6-(4-methoxy-benzyloxymethyl)-5-methyl-tetrahydro-pyran-2-yl]-2-methyl-butyl ester

tert-Butyl-{(1R,2S)-1-(4-methoxy-benzyloxymethyl)-4-[(2S,5S,6R)-2-methoxy-6-(4-methoxy-benzyloxymethyl)-5-methyl-tetrahydro-pyran-2-yl]-2-methyl-butoxy}-dimethyl-silane

(2R,3S,9S,10R)-2-(tert-Butyl-dimethyl-silanyloxy)-1,11-bis-(4-methoxy-benzyloxy)-3,9-dimethyl-10-triethylsilanyloxy-undecan-6-one