preferred_name: taurocholate(in) + glutarate(out) => taurocholate(out) + glutarate(in)
preferred_name_lc: taurocholate(in) + glutarate(out) => taurocholate(out) + glutarate(in)
label: taurocholate(in) + glutarate(out) => taurocholate(out) + glutarate(in)
label_lc: taurocholate(in) + glutarate(out) => taurocholate(out) + glutarate(in)