Invited for this month's cover is the group of Jun-Long Zhang, Peking University, Beijing. The cover picture shows the porpholactone cofactor, which play unique roles in molecular imaging and therapy (or theranostics), catalysis, as well as energy and optical materials. This class of molecules is ideal for more intriguing scientific research and future practical applications. Read the full text of the Minireview at 10.1002/cplu.202000494.
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