1. Department of Chemistry, Missouri University of Science and Technology, Rolla, Missouri 65409, United States
2. College of Chemistry, Beijing Normal University, Beijing 100875, People’s Republic of China
3. Department of Medicinal Chemistry, BeiGene (Beijing) Company, Limited, Changping District, Beijing 102206, People’s Republic of China
4. Department of Chemistry, Kurseong College (affiliated under North Bengal University), Kurseong, Darjeeling, West Bengal PIN-734203, India