Chlorquinaldol
Chlorquinaldol is an antimicrobial agent and antiseptic. It is a chlorinated derivative of the popular chelating agent 8-hydroxyquinoline. It is applied topically as a cream and internally as a losenge. It was marketed by Geigy as an intestinal antiseptic and amebicide with the trade name Siosteran. References

Antiprotozoal agents
Antiseptics
Chloroarenes
Quinolinols