Novel glycolipid and medicine for autoimmune disease containing the same as active ingredient

摘要

The invention is a glycolipid useful in treating autoimmune diseases and a medicine thereof as active ingredient for autoimmune diseases, wherein R¹ is an aldopyranose group, R² is a hydrogen atom or a hydroxyl group, R³ is -CH₂-, -CH(OH)-CH₂- or -CH-CH-, R⁴ is a hydrogen atom or CH₃, x is 0-35, y and z represent integers satisfying y+z=0-3.