preferred_name: [(1->4)-alpha-D-galacturonosyl](n) + n methanol + n H(+) => [(1->4)-alpha-D-galacturonosyl methyl ester](n) + n H2O
preferred_name_lc: [(1->4)-alpha-d-galacturonosyl](n) + n methanol + n h(+) => [(1->4)-alpha-d-galacturonosyl methyl ester](n) + n h2o
label: [(1->4)-alpha-D-galacturonosyl](n) + n methanol + n H(+) => [(1->4)-alpha-D-galacturonosyl methyl ester](n) + n H2O
label_lc: [(1->4)-alpha-d-galacturonosyl](n) + n methanol + n h(+) => [(1->4)-alpha-d-galacturonosyl methyl ester](n) + n h2o