preferred_name: 2,5-dihydroxybenzoate + H(+) <=> hydroquinone + CO2
preferred_name_lc: 2,5-dihydroxybenzoate + h(+) <=> hydroquinone + co2
label: 2,5-dihydroxybenzoate + H(+) <=> hydroquinone + CO2
label_lc: 2,5-dihydroxybenzoate + h(+) <=> hydroquinone + co2