4-hydroxy-3-methoxy-benzenemethanol + O2 => vanillin + H2O2
4-hydroxy-3-methoxy-benzenemethanol + o2 => vanillin + h2o2
4-hydroxy-3-methoxy-benzenemethanol + O2 => vanillin + H2O2
4-hydroxy-3-methoxy-benzenemethanol + o2 => vanillin + h2o2