(1R,2R,3R,5R,7S,8R)-3-(hydroxymethyl)-5-methyl-2,3,5,6,7,8-hexahydro-1H-pyrrolizine-1,2,7-triol
(1R,2R,3R,5R,7S,8R)-5-methyl-3-methylol-pyrrolizidine-1,2,7-triol