[1
]Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry
of Education of China)Hunan Normal University Changsha P.R. China
[2
]Department of Chemistry, College of Chemistry and Chemical EngineeringHunan Normal
University Changsha P.R. China
[3
]Department of Chemistry, School of Chemistry and Chemical EngineeringNanjing University
Nanjing P.R. China
[4
]Research Computing CentreUniversity of North Carolina Chapel Hill North Carolina