SUBSTITUTED 1-DIPHENYLMETHYL AZETIDINES

New azetidines, characterized in that they correspond to the general formula (I) (I) in which R3 represents an amino radical, an alkylamino radical, a dialkylamino radical, a cycloalkylamino radical, an acylamino radical, an alkylacylamino radical, an aminomethyl radical, an alkylaminomethyl radical, an acylaminomethyl radical or an alkylacylaminomethyl radical, in which radicals each acyl fragment may be substituted with one or more halogen, especially fluorine, atoms; and R1, R2, R4, R5 and R6 represent a hydrogen atom or a lower alkyl radical, with the proviso that at least one of them represents a lower alkyl radical, and also their salts.