Provided is a 2H-chromene compound or a derivative thereof which has an excellent S1P1 agonist action. The 2H-chromene compound or derivative is particularly useful for preventing and/or treating a disease induced by undesirable lymphocyte infiltration or a disease induced by abnormal proliferation or accumulation of cells.
[EN] OXADIAZOLE DERIVATIVE, PREPARATION METHOD THEREFOR AND USE THEREOF<br/>[FR] DÉRIVÉ D'OXADIAZOLE, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION<br/>[ZH] 一种噁二唑衍生物及其制备方法和用途