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