preferred_name: diphosphate + H2O + H(+)(in) = 2 phosphate + 2 H(+)(out)
preferred_name_lc: diphosphate + h2o + h(+)(in) = 2 phosphate + 2 h(+)(out)
label: diphosphate + H2O + H(+)(in) = 2 phosphate + 2 H(+)(out)
label_lc: diphosphate + h2o + h(+)(in) = 2 phosphate + 2 h(+)(out)