In general, among other things, compounds of Formula I are provided: in which R11 is selected from the group consisting of benzylamino, N-methylbenzylamino, morpholino, thiomorpholino, pyrrolidino, etc.; R13 is selected from the group consisting of 3-(1-ethanol-2-yl)phenyl, 3-(1-ol-2,2,2-trifluoroethan-2-yl)phenyl, 2-(1-ol-2,2,2-trifluoroethan-2-yl)phenyl, etc.; and R12 and R14 are each independently hydrogen or alkyl. Methods of treatment are also provided.