[1
]Institute for Natural Products Applications and Research Technologies and Department
of Chemistry & Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Stephenson
Life Sciences Research Center, Norman, Oklahoma 73019, United States
[2
]Department of Microbiology & Immunology, University of Oklahoma Health Sciences
Center, 940 Stanton L. Young Boulevard, Oklahoma City, Oklahoma 73014, United States