preferred_name: (S)-2-ethyl-2-hydroxy-3-oxobutanoate + thiamine diphosphate => 2-(1-hydroxyethyl)thiamine diphosphate + 2-oxobutanoate
preferred_name_lc: (s)-2-ethyl-2-hydroxy-3-oxobutanoate + thiamine diphosphate => 2-(1-hydroxyethyl)thiamine diphosphate + 2-oxobutanoate
label: (S)-2-ethyl-2-hydroxy-3-oxobutanoate + thiamine diphosphate => 2-(1-hydroxyethyl)thiamine diphosphate + 2-oxobutanoate
label_lc: (s)-2-ethyl-2-hydroxy-3-oxobutanoate + thiamine diphosphate => 2-(1-hydroxyethyl)thiamine diphosphate + 2-oxobutanoate