preferred_name: butyrolactone I + diphosphate => butyrolactone II + dimethylallyl diphosphate
preferred_name_lc: butyrolactone i + diphosphate => butyrolactone ii + dimethylallyl diphosphate
label: butyrolactone I + diphosphate => butyrolactone II + dimethylallyl diphosphate
label_lc: butyrolactone i + diphosphate => butyrolactone ii + dimethylallyl diphosphate