5-((S)-2-methylpentane-1-sulfonyl)-1-phenyl-1H-tetrazole

(2R,3S)-5-(tert-Butyl-dimethyl-silanyloxy)-2,3-dihydroxy-1-[(2S,3R)-3-(4-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-pentan-1-one

{(2R,3S)-3-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-1,4-dioxa-spiro[4.4]non-2-yl}-[(2S,3R)-3-(4-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-methanone

(E)-5-(tert-Butyl-dimethyl-silanyloxy)-1-[(2S,3R)-3-(4-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-pent-2-en-1-one

(R)-5-(tert-Butyl-dimethyl-silanyloxy)-1-[(2R,3R)-3-(4-methoxy-benzyloxymethyl)-1,4-dioxa-spiro[4.4]non-2-yl]-pent-2-yn-1-ol