label: a purine 2'-deoxyribonucleoside 5'-phosphate + H2O <=> a purine nucleobase + 2-deoxy-D-ribose 5-phosphate
label_lc: a purine 2'-deoxyribonucleoside 5'-phosphate + h2o <=> a purine nucleobase + 2-deoxy-d-ribose 5-phosphate