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