1α-di<(2-methoxyethoxy)methoxy>vitamin D3

(3S,5S)-3-diphenyl-t-butylsilyloxy-5-p-toluenesulfonyloxymethyltetrahydrofuran-2-one

(2S,4S)-2-diphenyl-t-butylsilyloxy-5-p-toluenesulfonyloxy-1,4-pentanediol

(2S,4S)-5-Benzyloxy-2-methoxymethoxy-pentane-1,4-diol

Methanesulfonic acid (1S,3S)-1-benzyloxymethyl-4-methanesulfonyloxy-3-methoxymethoxy-butyl ester