preferred_name: D-erythrulose 4-phosphate => L-erythrulose 1-phosphate
preferred_name_lc: d-erythrulose 4-phosphate => l-erythrulose 1-phosphate
label: D-erythrulose 4-phosphate => L-erythrulose 1-phosphate
label_lc: d-erythrulose 4-phosphate => l-erythrulose 1-phosphate