N-heterocycle substituted tryptamine derivatives and methods of using

A chemical compound having chemical formula (I):

• wherein one of R2, R4, R6, and R7 is an N-heterocycle substituent and one of R2, R4, R6, and R7 is a halogen atom, and wherein each of R2, R4, R6, and R7 which are not an N-heterocycle substituent or a halogen atom are a hydrogen atom, wherein R5 is a halogen atom or a hydrogen atom, wherein R1 is alkyl or hydrogen, and wherein R3a and R3b are each independently a hydrogen atom, an alkyl group, an aryl group, or an alkyl-aryl group, wherein the N-heterocycle substituent is an N-linked heterocyclic ring.