Abstract: The present disclosure relates to methods of treating tumors and cancers having dysregulated Wnt signaling pathways with compounds of Formula (I) having the following structure: (I) or a stereoisomer, pharmaceutically acceptable salt, oxide, or solvate thereof, where X is a halogen and R is a phenyl substituted with a perfluoroalkane. Also disclosed is a method of treating a tumor, which involves contacting a tumor comprising cytoplasmic EZH2 with a kinase inhibitor compound under conditions effective to treat the tumor.