Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee (Y.F., K.T., A.S., S.B.C., J.D.S.); Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (C.-P.W., S.V.A.); and Collaborations in Chemistry, Fuquay-Varina, North Carolina (S.E.)

Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee (Y.F., K.T., A.S., S.B.C., J.D.S.); Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (C.-P.W., S.V.A.); and Collaborations in Chemistry, Fuquay-Varina, North Carolina (S.E.)

Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee (Y.F., K.T., A.S., S.B.C., J.D.S.); Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (C.-P.W., S.V.A.); and Collaborations in Chemistry, Fuquay-Varina, North Carolina (S.E.)

Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee (Y.F., K.T., A.S., S.B.C., J.D.S.); Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (C.-P.W., S.V.A.); and Collaborations in Chemistry, Fuquay-Varina, North Carolina (S.E.)

Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee (Y.F., K.T., A.S., S.B.C., J.D.S.); Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (C.-P.W., S.V.A.); and Collaborations in Chemistry, Fuquay-Varina, North Carolina (S.E.)

Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee (Y.F., K.T., A.S., S.B.C., J.D.S.); Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (C.-P.W., S.V.A.); and Collaborations in Chemistry, Fuquay-Varina, North Carolina (S.E.)

Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee (Y.F., K.T., A.S., S.B.C., J.D.S.); Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (C.-P.W., S.V.A.); and Collaborations in Chemistry, Fuquay-Varina, North Carolina (S.E.)

Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee (Y.F., K.T., A.S., S.B.C., J.D.S.); Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland (C.-P.W., S.V.A.); and Collaborations in Chemistry, Fuquay-Varina, North Carolina (S.E.)