In part B, 25 mg of hydrochlorothiazide per day was taken for 1 week. After 7 day washout period, 240 mg of fimasartan and 25mg of hydrochlorothiazide per day were taken for 1 week. Then blood and urine samples were collected 0, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12 and 24 hours at 7 day and 21 day.