Crystalline form of n-tert-butyl-4[[2-(5-chloro-2-hydroxi-phenyl)acetyl]amino]pyridin-2-carboxamite compound and the process for preparing this crystalline form

Abstract

The invention relates to a novel form of N-ferr-Butyl-4-[[2-(S-chloro-2-hydroxyphenyl)acetyl]anisole]pyridioni-2-carboxainite (compound 1). Specifically, the invention relates to the crystalline polymorphs of Form A and Form B and the amorphous form.