cis-2,5-dimethyl-1-(tert-butyldimethylsiloxy)-2-(hydroxymethyl)-5-<(methoxycarbonyl)methyl>tetrahydropyrrole

cis-2,5-dimethyl-1-(tert-butyldimethylsiloxy)-2-formyl-5-<(methoxycarbonyl)methyl>tetrahydropyrrole