preferred_name: 2,3-dioxo-L-gulonate <=> 2-carboxy-L-lyxonolactone
preferred_name_lc: 2,3-dioxo-l-gulonate <=> 2-carboxy-l-lyxonolactone
label: 2,3-dioxo-L-gulonate <=> 2-carboxy-L-lyxonolactone
label_lc: 2,3-dioxo-l-gulonate <=> 2-carboxy-l-lyxonolactone