Novel polymorphic form of 17-beta-(N-ter.butyl carbamoyl)-4-aza-5-alpha-androst-1-en-3-one and a process for preparing it.

摘要

The present invention relates to a novel polymorphic form of 17- beta -(N-ter.butyl carbamoyl)-4-aza-5-- alpha -androst-1-en-3-one (Finasteride) of the formula (I) and processes for preparing the form.