International non-proprietary name of a medicine is the name assigned to a pharmaceutical substance as recommended by the World Health Organization

Source: Russian Federation Law №61-FZ March 24, 2010 "On Circulation of Medicines"

Common name: The international non-proprietary name recommended by the World Health Organization, or, if one does not exist, the usual common name.

Source: Directive 2001/83/EC of the European Parliament and of the Council of 6 November 2001 on the Community code relating to medicinal products for human use