paraoxon + H2O <=> diethylphosphate + 4-nitrophenol + 2 H(+)
paraoxon + h2o <=> diethylphosphate + 4-nitrophenol + 2 h(+)
paraoxon + H2O <=> diethylphosphate + 4-nitrophenol + 2 H(+)
paraoxon + h2o <=> diethylphosphate + 4-nitrophenol + 2 h(+)