preferred_name: (S)-3-hydroxy-5-oxohexanoate => acetone + 3-oxopropanoate
preferred_name_lc: (s)-3-hydroxy-5-oxohexanoate => acetone + 3-oxopropanoate
label: (S)-3-hydroxy-5-oxohexanoate => acetone + 3-oxopropanoate
label_lc: (s)-3-hydroxy-5-oxohexanoate => acetone + 3-oxopropanoate