preferred_name: methanol + sulfate + H(+) => monomethyl sulfate + H2O
preferred_name_lc: methanol + sulfate + h(+) => monomethyl sulfate + h2o
label: methanol + sulfate + H(+) => monomethyl sulfate + H2O
label_lc: methanol + sulfate + h(+) => monomethyl sulfate + h2o