1. ; Natural Products Laboratory, School of Pharmacy; Sungkyunkwan University; 2066 Seobu-ro, Jangan-ku Suwon 16419 Republic of Korea
2. ; Gachon Institute of Pharmaceutical Science; Gachon University; Incheon 21936 Republic of Korea
3. ; College of Pharmacy; Gachon University; #191, Hambakmoero, Yeonsu-gu Incheon 21936 Republic of Korea
4. ; Korea Research Institute of Chemical Technology; Daejeon 34114 Republic of Korea