The present disclosure provides compounds that may be useful for inhibiting Wnt pathway comprising compounds of the formula: (Ia) or (Ib) wherein the variables are as defined herein. In some aspects, the compounds may be used to inhibit the Wnt pathway and used to treat cancer, myocardial infarction, osteopetrosis, or used in the maturation of a precursor cell to a mature cell. Also provided herein in are pharmaceutical compositions of the compounds described herein.