preferred_name: L-alanocholate + taurine => taurocholate + L-alanine
preferred_name_lc: l-alanocholate + taurine => taurocholate + l-alanine
label: L-alanocholate + taurine => taurocholate + L-alanine
label_lc: l-alanocholate + taurine => taurocholate + l-alanine