[Xiao, Zhenxiu] Hengyang Normal Univ, Nanyue Coll, Hengyang 421008, Hunan, Peoples R China.
[Wang, Tiantian; Deng, Xin] Hengyang Normal Univ, Sch Chem & Mat Sci, Hengyang 421008, Hunan, Peoples R China.
[Jiang, Wujiu; Tan, Yuxing] Normal Univ, Key Lab Met Organ New Mat Coll Hunan Prov Hengyang, Sch Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Hunan, Peoples R China.