Pharmacologically active compounds having anti-allergic properties corresponding to the formula I ##STR1## which can be mono- or disubstituted in the phenyl ring and their acid addition salts and/or S-mono- or dioxides of sulfur-containing compounds of the formula I are described, together with processes and intermediates for their preparation.
具有抗过敏性能的药理活性化合物对应于公式I ##STR1##,该化合物可以在苯环中单取代或双取代,并描述了它们的酸盐和/或含有
硫的化合物的S-单取代物或二氧化物,以及用于它们制备的过程和中间体。