preferred_name: L-rhamnopyranose(out) + H(+)(out) => L-rhamnopyranose(in) + H(+)(in)
preferred_name_lc: l-rhamnopyranose(out) + h(+)(out) => l-rhamnopyranose(in) + h(+)(in)
label: L-rhamnopyranose(out) + H(+)(out) => L-rhamnopyranose(in) + H(+)(in)
label_lc: l-rhamnopyranose(out) + h(+)(out) => l-rhamnopyranose(in) + h(+)(in)