preferred_name: dimethylallyl diphosphate <=> isoprene + diphosphate
preferred_name_lc: dimethylallyl diphosphate <=> isoprene + diphosphate
label: dimethylallyl diphosphate <=> isoprene + diphosphate
label_lc: dimethylallyl diphosphate <=> isoprene + diphosphate