A compound having a formula of one or more selected from: a. formula: or a stereoisomer, racemate, or pharmaceutically acceptable salt thereof; or b. formula: or a stereoisomer, racemate, or pharmaceutically acceptable salts thereof, wherein X is selected from O, NH, and S; and Y is selected from R, OR 1, SR 1, and N(R 1)R 2, wherein R is selected from C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms, and wherein R 1 and R 2 are independently selected from hydrogen, C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms; or c. formula: or a stereoisomer, racemate, or pharmaceutically acceptable salt thereof, wherein Z is selected from R and OR 1, wherein R is selected from C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms, and wherein R 1 is selected from hydrogen, C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms. a. formula: or a stereoisomer, racemate, or pharmaceutically acceptable salt thereof; or b. formula: or a stereoisomer, racemate, or pharmaceutically acceptable salts thereof, wherein X is selected from O, NH, and S; and Y is selected from R, OR 1, SR 1, and N(R 1)R 2, wherein R is selected from C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms, and wherein R 1 and R 2 are independently selected from hydrogen, C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms; or X is selected from O, NH, and S; and Y is selected from R, OR 1, SR 1, and N(R 1)R 2, wherein R is selected from C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms, and wherein R 1 and R 2 are independently selected from hydrogen, C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms; or wherein R is selected from C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms, and wherein R 1 and R 2 are independently selected from hydrogen, C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms; or c. formula: or a stereoisomer, racemate, or pharmaceutically acceptable salt thereof, wherein Z is selected from R and OR 1, wherein R is selected from C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms, and wherein R 1 is selected from hydrogen, C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms. wherein R is selected from C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms, and wherein R 1 is selected from hydrogen, C1-C6 alkyl, C1-C6 haloalkyl, C6-C10 aryl, and C3-C12 alkyl groups in which one or more carbons are replaced with O or N atoms.