FIELD: organic chemistry, medicine, pharmacy.
SUBSTANCE: invention relates to a form with reduced size of particles of the compound (S)-2-ethoxy-3-[4-(2-{4-methanesulfonyloxyphenyl}ethoxy)phenyl]propanoic acid described by the formula (I) 
or its pharmaceutically acceptable salt or any solvate. Above said compound is useful in treatment of metabolic disorders, such as insulin resistance syndrome determined as reduced sensitivity to insulin effect. Also, invention relates to pharmaceutical compositions containing form with reduced size of particles of this compound or its pharmaceutically acceptable salt or their solvate as an active component, and to methods for preparing form with reduced size of particles of this compound or its pharmaceutically acceptable salt.
EFFECT: improved preparing methods, valuable medicinal properties of compound.
12 cl, 5 ex
