preferred_name: 4-methylsulfanyl-2-oxobutanoate + L-kynurenine = kynurenate + L-methionine + H2O
preferred_name_lc: 4-methylsulfanyl-2-oxobutanoate + l-kynurenine = kynurenate + l-methionine + h2o
label: 4-methylsulfanyl-2-oxobutanoate + L-kynurenine = kynurenate + L-methionine + H2O
label_lc: 4-methylsulfanyl-2-oxobutanoate + l-kynurenine = kynurenate + l-methionine + h2o