1. Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
2. Department of Biological Sciences, Inha University, Incheon 22212, Republic of Korea
3. Natural Products Research Institute and Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
4. Research Institute of Pharmaceutical Science, College of Pharmacy, Kyungpook National University, Daegu 41566, Republic of Korea
5. Laboratory of Nuclear Magnetic Resonance, National Center for Inter-University Research Facilities (NCIRF), Seoul National University, Seoul 08826, Republic of Korea
6. Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Republic of Korea
7. Department of Microbiology and Molecular Biology, College of Bioscience and Biotechnology, Chungnam National University, Daejeon 34134, Republic of Korea
8. Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography and Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, California 92093, United States
9. MolGenBio Co., Ltd., Seoul 08826, Republic of Korea