(3R)-6-(tert-butyldiphenylsilanyloxy)-3-hydroxy-1-[(4S)-4-isopropyl-2-thioxothiazolidin-3-yl]hex-4-en-1-one

(3R)-6-(tert-butyldiphenylsilanyloxy)-3-hydroxyhex-4-enoic acid N-methoxy-N-methylamide

(3R)-3-{(1R,2R)-2-[(tert-butyldiphenylsilanyloxy)methyl]cyclopropyl}-3-hydroxy-N-methoxy-N-methylpropionamide

(3R)-3-{(1R,2R)-2-[(tert-butyldiphenylsilanyloxy)methyl]cyclopropyl}-N-methoxy-N-methyl-3-(triethylsilanyloxy)propionamide

(3R)-3-{(1R,2R)-2-[(tert-butyldiphenylsilanyloxy)methyl]cyclopropyl}-3-(triethylsilanyloxy)propionaldehyde