preferred_name: cholate(out) + n H(+)(out) <=> cholate(in) + n H(+)(in)
preferred_name_lc: cholate(out) + n h(+)(out) <=> cholate(in) + n h(+)(in)
label: cholate(out) + n H(+)(out) <=> cholate(in) + n H(+)(in)
label_lc: cholate(out) + n h(+)(out) <=> cholate(in) + n h(+)(in)