1. Department of Chemistry, Binghamton University, State University of New York, Binghamton, New York 13902, United States
2. State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, P. R. China
3. Small Scale Systems Integration and Package (S3IP) Center, Binghamton University, Binghamton, New York 13902, United States