This guideline replaces the ‘Note for guidance on chemistry of new active substances’ (CPMP/QWP/130/96, Rev 1) and ‘Chemistry of active substances’ (3AQ5a). It has been revised to cover new and existing active substances in one guideline.
This guideline replaces the ‘Note for guidance on chemistry of new active substances’ (CPMP/QWP/130/96, Rev 1) and ‘Chemistry of active substances’ (3AQ5a). It has been revised to cover new and existing active substances in one guideline.