Identify by MS and HPLC-MS. 4. Pharmacodynamics experiment ( 1) Antipyretic experiment: 70 male SD rats are measured normal body temperature with mercury clinical thermometer, twice everyday and continuous for 3 days. 药效学试验*解热实验:雄性SD大鼠70只,用水银体温计(口表)测正常体温,每日2次,连续3日。