preferred_name: a steroid 1,3-dione + AH2 => a 1-hydroxy-3-oxo steroid + A
preferred_name_lc: a steroid 1,3-dione + ah2 => a 1-hydroxy-3-oxo steroid + a
label: a steroid 1,3-dione + AH2 => a 1-hydroxy-3-oxo steroid + A
label_lc: a steroid 1,3-dione + ah2 => a 1-hydroxy-3-oxo steroid + a