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