Professor Motonari Uesugi of Institute for Integrated Cell-Material Sciences and Institute for Chemical Research, Kyoto University (Japan) visited the Chinese National Compound Library (CNCL) in the afternoon of November 21, 2014. He was warmly greeted by Dr. Ming-Wei Wang, Director of CNCL. Following discussions with several Chinese scientists, Dr. Uesugi delivered an invited lecture entitled “Small molecule tools for cell biology and cell therapy”.