https://www.waters.com/nextgen/fi/en/library/application-notes/2003/four-drug-mixture-warfarin-dextromethorphan-triprolidine-and-tetracaine.html
This application brief demonstrates analysis of four drug mixture- warfarin, dextromethorphan, triprolidine, and tetracaine.
drug mixturefourwarfarindextromethorphantriprolidine