(2R,3S,4aR,5aS,9aR,11aS)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-dodecahydro-1,5,9-trioxa-dibenzo[a,d]cyclohepten-3-ol

(4aS,5aR,8S,9R,10aS,12aR)-9-Hydroxymethyl-dodecahydro-1,5,10-trioxa-benzo[b]heptalen-8-ol

(4aS,6R,7S,9aR)-6-[(2R,3S)-2-Benzenesulfonyl-3-(tert-butyl-diphenyl-silanyloxymethyl)-oxiranylmethyl]-7-triethylsilanyloxy-octahydro-1,5-dioxa-benzocycloheptene