preferred_name: L-fucose + an alcohol => an alpha-L-fucoside + H2O
preferred_name_lc: l-fucose + an alcohol => an alpha-l-fucoside + h2o
label: L-fucose + an alcohol => an alpha-L-fucoside + H2O
label_lc: l-fucose + an alcohol => an alpha-l-fucoside + h2o