Racemic and chiral (2R,4R)-4-c-hydroxy-2-r-(substituted) chroman (and thiochroman)-4-acetic acids and their pharmaceutically acceptable salts useful in the treatment of diabetic complications, and intermediates therefor.
外消旋和手性(2R,4R)-4-c-羟基-2-r-(取代的)色满(和
硫代色满)-4-
乙酸及其用于治疗糖尿病并发症的药学上可接受的盐,以及它们的中间体。