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