1.14.14.73 albendazole + [reduced NADPH-hemoprotein reductase] + O2 = albendazole S-oxide + [oxidized NADPH-hemoprotein reductase] + H2O (1) - 1.14.14.73 fenbendazole + [reduced NADPH-hemoprotein reductase] + O2 = fenbendazole S-oxide + [oxidized NADPH-hemoprotein reductase] + H2O (2) -