Affiliation: | 1. Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University Luzhou, Sichuan, 646000 P. R. China These authors contributed equally to this work;2. Department of Medicinal Chemistry, School of Pharmacy, Southwest Medical University Luzhou, Sichuan, 646000 P. R. China;3. Department of Chemistry, University of Virginia, Charlottesville, VA 22904–4319 USA |