[Lee, Songyi] Pukyong Natl Univ, Dept Chem, Busan 48513, South Korea.
[Yoon, Juyoung] Ewha Womans Univ, Dept Chem & Nano Sci, Seoul 03760, South Korea.
[Li, Jun] Huazhong Agr Univ, Dept Chem, Coll Sci, Wuhan 430070, Peoples R China.
[Zhou, Xin] Qingdao Univ, Dept Chem, Qingdao 266071, Peoples R China.
[Yin, Jun] Cent China Normal Univ, Key Lab Pesticide & Chem Biol, Coll Chem, Minist Educ, Wuhan 430079, Hubei, Peoples R China.