odine and fluorine atoms, and an amino radical, R14 is chosen from a hydrogen atom, and a (C1-C4) alkyl radical, or forms, with a carbon atom of the benzene ring, a heterocycle which optionally contains an oxygen heteroatom and which is unsubstituted or substituted with at least one radical chosen from (C1-C4) alkyl radicals, R15 is a hydrogen atom or a halogen atom chosen from bromine, chlorine,