A compound of the formula (I): ##STR1## wherein X.sup.1 is a group of one of the following formulae (1), (2) and (3): ##STR2## R.sup.1 is a branched long chain alkyl group, R.sup.2 is --CONHR.sup.3, a carboxyl group or a hydrogen atom, n is an integer of 0, 1 or 2, and R.sup.3 is a lower alkyl group or a phenyl group, or a pharmaceutically acceptable salt thereof, which is useful as a selectin inhibitor, and can be used in the prophylaxis or treatment of various inflammatory diseases such as inflammatory dermatitis (e.g., atopic dermatitis, contact hypersensitivity, photodermatosis, etc.), autoimmune chronic diseases (e.g. rheumatoid arthritis, chronic thyroiditis, etc.), and ischemia-reperfusion injury.
化合物的式子(I):##STR1## 其中X.sup.1是以下式子之一的基团(1),(2)和(3):##STR2## R.sup.1是支链长链烷基,R.sup.2是--CONHR.sup.3,羧基或氢原子,n是0,1或2的整数,R.sup.3是较低的烷基或苯基,或其药学上可接受的盐,可用作选择素
抑制剂,并可用于预防或治疗各种炎症性疾病,如炎症性皮炎(例如,特应性皮炎,接触性过敏性皮炎,光敏性皮炎等),自身免疫性慢性疾病(例如类风湿性关节炎,慢性甲状腺炎等)和缺血再灌注损伤。