preferred_name: anthranilate + L-alanine + H(+) => L-kynurenine + H2O
preferred_name_lc: anthranilate + l-alanine + h(+) => l-kynurenine + h2o
label: anthranilate + L-alanine + H(+) => L-kynurenine + H2O
label_lc: anthranilate + l-alanine + h(+) => l-kynurenine + h2o