Methods and small molecule compounds for inhibition of cancer cell proliferation are provided. One example of a class of compounds that may be used is represented by the compound of Formula I or a pharmaceutically acceptable salt, N-oxide or solvate thereof, wherein A, B, D, E, F, G, I, J, R, R1, R2, R2′, R3, R4, R5, R6, R7, R8, R9 are as described herein.