preferred_name: 2 3,4,5-trihydroxybenzoate + H(+) => digallate + H2O
preferred_name_lc: 2 3,4,5-trihydroxybenzoate + h(+) => digallate + h2o
label: 2 3,4,5-trihydroxybenzoate + H(+) => digallate + H2O
label_lc: 2 3,4,5-trihydroxybenzoate + h(+) => digallate + h2o