11. Before entering the group 4 weeks using any prescription drugs before entering the group, or use of any non prescription drugs within 2 weeks (vitamins, herbal tonics, etc.), or into the group within 2 weeks before taking effect of drug metabolizing enzymes in food, such as grapefruit or grapefruit drink. Can the use of acetaminophen, but must record report in case report form（CRF）;