The original synthesis at Janssen Pharmaceutica resulted in the preparation of a racemic mixture of two enantiomers, whose hydrochloride salt was reported to have a melting point of 264–265 °C; the free base of the racemate has a melting point of 87–89 °C. The racemic mixture is referred to as "tetramisole" -<unk>  refers only to the<unk> orotatory enantiomer of tetramisole.
Levamisole
Dimetacrine
Avermectin
Pyrantel
Ivermectin
Silver sulfadiazine
Piretanide
Salicylic acid