ethanolamine(in) + n H(+)(out) => ethanolamine(out) + n H(+)(in)
ethanolamine(in) + n h(+)(out) => ethanolamine(out) + n h(+)(in)
ethanolamine(in) + n H(+)(out) => ethanolamine(out) + n H(+)(in)
ethanolamine(in) + n h(+)(out) => ethanolamine(out) + n h(+)(in)