D-erythro-Pentitol, 3-deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-

(4S,6S)-4-dimethyl-t-butylsilyloxy-6-<(dimethyl-t-butylsilyloxy)methyl>tetrahydro-2H-pyran-2-one

(2S,4S)-5-(diphenyl-t-butylsilyloxy)-4-hydroxy-1,2-epoxypentane

(3S,5S)-6-Diphenyl-t-butylsilyloxy-3,5-dihydroxyhexanenitrile

(3S,5S)-3,5-bis(dimethyl-t-butylsilyloxy)-6-(diphenyl-t-butylsilyloxy)hexanenitrile