preferred_name: lactose + H2O => D-glucose + D-galactose (Mus musculus)
preferred_name_lc: lactose + h2o => d-glucose + d-galactose (mus musculus)
label: lactose + H2O => D-glucose + D-galactose (Mus musculus)
label_lc: lactose + h2o => d-glucose + d-galactose (mus musculus)