6-deoxy-6-sulfo-D-fructose => 6-sulfo-beta-D-quinovose
6-deoxy-6-sulfo-d-fructose => 6-sulfo-beta-d-quinovose
6-deoxy-6-sulfo-D-fructose => 6-sulfo-beta-D-quinovose
6-deoxy-6-sulfo-d-fructose => 6-sulfo-beta-d-quinovose