(2R,3R)-3-methoxy-5-(4'-methoxybenzyloxy)-2-methylpentanal

(2R,3R,4S,6S,7S)-5-(tert-butyldimethylsilyloxy)-7-(tert-butyldiphenylsilyloxy)-3-methoxy-2,4,6-trimethylheptanal

(3S,4S,5S,6S,7S)-6-(tert-butyldimethylsilyloxy)-8-(tert-butyldiphenylsilyloxy)-3,5,7-trimethyl-1-octen-4-ol

(3R,4R,8S,9S,10S,11S,12S)-11-(tert-butyldimethylsilyloxy)-13-(tert-butyldiphenylsilyloxy)-3,9-dimethoxy-1-(4'-methoxybenzyloxy)-4,8,10,12-tetramethyl-6-tridecen-5-one

(3R,4S,8S,9S,10S,11S,12S)-11-(tert-Butyl-dimethyl-silanyloxy)-13-(tert-butyl-diphenyl-silanyloxy)-3,9-dimethoxy-1-(4-methoxy-benzyloxy)-4,8,10,12-tetramethyl-tridecan-5-ol