preferred_name: carnosine(out) + n H(+)(out) = carnosine(in) + n H(+)(in)
preferred_name_lc: carnosine(out) + n h(+)(out) = carnosine(in) + n h(+)(in)
label: carnosine(out) + n H(+)(out) = carnosine(in) + n H(+)(in)
label_lc: carnosine(out) + n h(+)(out) = carnosine(in) + n h(+)(in)