caffeine + a ubiquinone + H2O = 1,3,7-trimethylurate + a ubiquinol
caffeine + a ubiquinone + h2o = 1,3,7-trimethylurate + a ubiquinol
caffeine + a ubiquinone + H2O = 1,3,7-trimethylurate + a ubiquinol
caffeine + a ubiquinone + h2o = 1,3,7-trimethylurate + a ubiquinol