Acknowledgement
This work was supported by the National Research Foundation of Korea (NRF) grant (2021M3H9A103743912), the KRIBB Research Initiative Program (KGM5292221 and KGM1222211) funded by the Ministry of Science ICT (MSIT) and the Basic Science Research Program (2021R1I1A204970412 and 2020R1I1A2068713) of the Ministry of Education of the Republic of Korea. We thank the Korea Basic Science Institute, Ochang, Korea, for providing the NMR (Bruker) and CD spectrum (Jasco).
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