preferred_name: a menaquinone + sulfite + H2O <=> a menaquinol + sulfate
preferred_name_lc: a menaquinone + sulfite + h2o <=> a menaquinol + sulfate
label: a menaquinone + sulfite + H2O <=> a menaquinol + sulfate
label_lc: a menaquinone + sulfite + h2o <=> a menaquinol + sulfate