N-methyl-D-dopa + O2 = (3R)-7,8-dihydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate + H2O2
n-methyl-d-dopa + o2 = (3r)-7,8-dihydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate + h2o2
N-methyl-D-dopa + O2 = (3R)-7,8-dihydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate + H2O2
n-methyl-d-dopa + o2 = (3r)-7,8-dihydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate + h2o2