3-Carboxyisocoumarins, 2-thiaisocoumarins and related isocarbostyrils are useful anti-allergic agents. Several of these compounds are novel, and a process for their preparation is provided.
3-羧基异
香豆素,2-
硫异
香豆素及相关的异羧基
苯乙烯类化合物是有用的抗过敏剂。其中几种化合物是新颖的,并提供了它们的制备过程。