preferred_name: 2-methylpropanal + hydrogen cyanide <=> (2S)-2-hydroxy-3-methylbutanenitrile
preferred_name_lc: 2-methylpropanal + hydrogen cyanide <=> (2s)-2-hydroxy-3-methylbutanenitrile
label: 2-methylpropanal + hydrogen cyanide <=> (2S)-2-hydroxy-3-methylbutanenitrile
label_lc: 2-methylpropanal + hydrogen cyanide <=> (2s)-2-hydroxy-3-methylbutanenitrile