preferred_name: 5-dehydro-4-deoxy-D-glucuronate => 4-deoxy-L-threo-hex-4-enopyranuronate
preferred_name_lc: 5-dehydro-4-deoxy-d-glucuronate => 4-deoxy-l-threo-hex-4-enopyranuronate
label: 5-dehydro-4-deoxy-D-glucuronate => 4-deoxy-L-threo-hex-4-enopyranuronate
label_lc: 5-dehydro-4-deoxy-d-glucuronate => 4-deoxy-l-threo-hex-4-enopyranuronate