NPD9948 is an antitussive agent with antitussive activity in a guinea pig antitussive test. Its half antitussive dose (AtD50) is 14.5 mg/kg and 22.6 mg/kg when injected intraperitoneally and orally, respectively.
References
[1] Proteomic profiling of small-molecule inhibitors reveals dispensability of MTH1 for cancer cell survival