5-CHLORO-3-(4-METHANESULFONYLPHENYL)-6'-METHYL-[2,3']BIPYRIDINYL IN PURE CRYSTALLINE FORM AND PROCESS FOR SYNTHESIS

摘要

This invention encompasses a pharmaceutical composition comprising the compound of formula A: A in combination with a pharmaceutically acceptable carrier, said compound being comprised of about 1-50%, 1-20% or 1-10% of the polymorphic form which is designated Form V and the remainder of the compound being comprised of at least one polymorphic form selected from the group consisting of: Form I, Form II, Form III and Form IV