preferred_name: 4-(2-aminophenyl)-2,4-dioxobutanoate + L-leucine => 4-methyl-2-oxopentanoate + L-kynurenine
preferred_name_lc: 4-(2-aminophenyl)-2,4-dioxobutanoate + l-leucine => 4-methyl-2-oxopentanoate + l-kynurenine
label: 4-(2-aminophenyl)-2,4-dioxobutanoate + L-leucine => 4-methyl-2-oxopentanoate + L-kynurenine
label_lc: 4-(2-aminophenyl)-2,4-dioxobutanoate + l-leucine => 4-methyl-2-oxopentanoate + l-kynurenine