1. Institute of Drug Design & SynthesisInstitute of PharmacologyKey Laboratory of Preclinical Study for New Drugs of Gansu ProvinceSchool of Basic Medical ScienceLanzhou University 199 West Donggang Road Lanzhou 730000 China
2. Institute of Biochemistry and Molecular BiologySchool of Life SciencesLanzhou University 222 South Tianshui Road Lanzhou 730000 China