preferred_name: estrone + sulfate + H(+) => estrone 3-sulfate + H2O
preferred_name_lc: estrone + sulfate + h(+) => estrone 3-sulfate + h2o
label: estrone + sulfate + H(+) => estrone 3-sulfate + H2O
label_lc: estrone + sulfate + h(+) => estrone 3-sulfate + h2o