label: pyridinestrone carboxylate + 2 H2O + H(+) => (2Z,10Z)-3-hydroxy-5,17-dioxo-4,5-secoestra-2,10-diene-3-oate + NH4(+)
label_lc: pyridinestrone carboxylate + 2 h2o + h(+) => (2z,10z)-3-hydroxy-5,17-dioxo-4,5-secoestra-2,10-diene-3-oate + nh4(+)