preferred_name: futalosine + H2O => dehypoxanthine futalosine + hypoxanthine
preferred_name_lc: futalosine + h2o => dehypoxanthine futalosine + hypoxanthine
label: futalosine + H2O => dehypoxanthine futalosine + hypoxanthine
label_lc: futalosine + h2o => dehypoxanthine futalosine + hypoxanthine