(1R,2S,5R)-5-(tert-Butyl-diphenyl-silanyloxy)-cyclopent-3-ene-1,2-diol

(4R,5S)-4-(tert-Butyl-diphenyl-silanyloxy)-5-(4-methoxy-benzyloxy)-cyclopent-2-enone

(1R,4S,5S)-4,5-bis(methoxymethoxy)-2-cyclopenten-1-ol