preferred_name: 2-amino-4-hydroxypteridine + H2O + H(+) => 2,4-dihydroxypteridine + NH4(+)
preferred_name_lc: 2-amino-4-hydroxypteridine + h2o + h(+) => 2,4-dihydroxypteridine + nh4(+)
label: 2-amino-4-hydroxypteridine + H2O + H(+) => 2,4-dihydroxypteridine + NH4(+)
label_lc: 2-amino-4-hydroxypteridine + h2o + h(+) => 2,4-dihydroxypteridine + nh4(+)