preferred_name: (S)-3-methyl-2-oxopentanoate + L-valine <=> 3-methyl-2-oxobutanoate + L-isoleucine
preferred_name_lc: (s)-3-methyl-2-oxopentanoate + l-valine <=> 3-methyl-2-oxobutanoate + l-isoleucine
label: (S)-3-methyl-2-oxopentanoate + L-valine <=> 3-methyl-2-oxobutanoate + L-isoleucine
label_lc: (s)-3-methyl-2-oxopentanoate + l-valine <=> 3-methyl-2-oxobutanoate + l-isoleucine