[(2R,3R,6S)-2-((2RS)-2,3-dihydroxy-propyl)-6-(1-phenyl-1H-tetrazole-5-sulfonylmethyl)-tetrahydro-pyran-3-yl]-carbamic acid tert-butyl ester

[(2R,3R,6S)-2-((4RS)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-6-(1-phenyl-1H-tetrazol-5-ylsulfanylmethyl)-tetrahydro-pyran-3-yl]-carbamic acid tert-butyl ester