preferred_name: N-(hydroxymethyl)urea + NH4(+) => N-(aminomethyl)urea + H2O
preferred_name_lc: n-(hydroxymethyl)urea + nh4(+) => n-(aminomethyl)urea + h2o
label: N-(hydroxymethyl)urea + NH4(+) => N-(aminomethyl)urea + H2O
label_lc: n-(hydroxymethyl)urea + nh4(+) => n-(aminomethyl)urea + h2o