preferred_name: L-arginocholate + taurine => taurocholate + L-arginine
preferred_name_lc: l-arginocholate + taurine => taurocholate + l-arginine
label: L-arginocholate + taurine => taurocholate + L-arginine
label_lc: l-arginocholate + taurine => taurocholate + l-arginine