The method comprises administering to an animal a novel pharmaceutical composition containing a substituted-1-oxo-1H-2-benzothiopyran-3-carboxylic acid to inhibit antigen-antibody reaction in said animal. Representative of the compounds that can be used in the method are: 1-Oxo-1H-2-benzothiopyran-3-carboxylic acid, and Sodium 6-methoxy-1-oxo-1H-2-benzothiopyran-3-carboxylate.
该方法包括向动物施用一种新型药物组合物,其中含有一种取代的-1-氧代-1H-2-苯
硫杂喹-3-
羧酸,以抑制该动物体内的抗原-
抗体反应。可用于该方法的化合物代表包括:1-氧代-1H-2-苯
硫杂喹-3-
羧酸和6-甲氧基-1-氧代-1H-2-苯
硫杂喹-3-
羧酸钠。