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