<unk>  (Cerovive, OKN-007, NXY-059, HPN-07) is a free radical trapping nitrone-based antioxidant compound that has been under development for several medical conditions.
Disufenton sodium
Fomepizole
Fermagate
Sodium thiosulfate 
Methylene blue
Dimercaprol
Malaoxon
Dianethole