hydrogen sulfide + formaldehyde + H2O2 + H(+) => methanethiol + O2 + H2O
hydrogen sulfide + formaldehyde + h2o2 + h(+) => methanethiol + o2 + h2o
hydrogen sulfide + formaldehyde + H2O2 + H(+) => methanethiol + O2 + H2O
hydrogen sulfide + formaldehyde + h2o2 + h(+) => methanethiol + o2 + h2o