preferred_name: [phosphate](n-1) + phosphate + H(+) => [phosphate](n) + H2O
preferred_name_lc: [phosphate](n-1) + phosphate + h(+) => [phosphate](n) + h2o
label: [phosphate](n-1) + phosphate + H(+) => [phosphate](n) + H2O
label_lc: [phosphate](n-1) + phosphate + h(+) => [phosphate](n) + h2o