preferred_name: 4-deoxy-4-sulfo-D-erythrose <=> 4-deoxy-4-sulfo-D-erythrulose
preferred_name_lc: 4-deoxy-4-sulfo-d-erythrose <=> 4-deoxy-4-sulfo-d-erythrulose
label: 4-deoxy-4-sulfo-D-erythrose <=> 4-deoxy-4-sulfo-D-erythrulose
label_lc: 4-deoxy-4-sulfo-d-erythrose <=> 4-deoxy-4-sulfo-d-erythrulose