preferred_name: carnosine(in) + 2 H(+)(in) => carnosine(out) + 2 H(+)(out)
preferred_name_lc: carnosine(in) + 2 h(+)(in) => carnosine(out) + 2 h(+)(out)
label: carnosine(in) + 2 H(+)(in) => carnosine(out) + 2 H(+)(out)
label_lc: carnosine(in) + 2 h(+)(in) => carnosine(out) + 2 h(+)(out)