A member of the class consisting of antiasthmatic and antiinflammatory agents which contains an effective antiasthmatic amount in the case of the antiasthmatic agents and an effective antiinflammatory amount in the case of the antiinflammatory agents of a compound of the formula ##STR19## wherein X is chlorine or bromine, Y is a hydrogen atom or a hydroxy group and Z is a tetrazolyl group and a ph