(R)-mandelonitrile + O2 <=> benzoyl cyanide + H2O2
(r)-mandelonitrile + o2 <=> benzoyl cyanide + h2o2
(R)-mandelonitrile + O2 <=> benzoyl cyanide + H2O2
(r)-mandelonitrile + o2 <=> benzoyl cyanide + h2o2