preferred_name: acetoacetate(out) + Na(+)(out) <=> acetoacetate(in) + Na(+)(in)
preferred_name_lc: acetoacetate(out) + na(+)(out) <=> acetoacetate(in) + na(+)(in)
label: acetoacetate(out) + Na(+)(out) <=> acetoacetate(in) + Na(+)(in)
label_lc: acetoacetate(out) + na(+)(out) <=> acetoacetate(in) + na(+)(in)