(3S,4R,9S,10S,11R)-3,10-Bis-(tert-butyl-dimethyl-silanyloxy)-4-hydroxymethyl-2,2,9,11-tetramethyl-cycloundecanone

(1S,2S,5R,6S,7S)-2,6-Bis-(tert-butyl-dimethyl-silanyloxy)-3,3,5,7-tetramethyl-4-oxo-cycloundecanecarboxylic acid (R)-1-[(E)-1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-but-3-enyl ester

(Z)-(3S,4R,9S,10S,11R)-3,10-Bis-(tert-butyl-dimethyl-silanyloxy)-4-hydroxymethyl-2,2,9,11-tetramethyl-cycloundec-6-enone

(1S,2S,5R,6S,7S)-2,6-Bis-(tert-butyl-dimethyl-silanyloxy)-3,3,5,7-tetramethyl-4-oxo-cycloundecanecarbaldehyde

(1S,2S,5R,6S,7S)-2,6-Bis-(tert-butyl-dimethyl-silanyloxy)-3,3,5,7-tetramethyl-4-oxo-cycloundecanecarboxylic acid