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