preferred_name: taurocholate + L-serine => L-serocholate + taurine
preferred_name_lc: taurocholate + l-serine => l-serocholate + taurine
label: taurocholate + L-serine => L-serocholate + taurine
label_lc: taurocholate + l-serine => l-serocholate + taurine