Synonyms: (-)-Tetramisole;(S)-(-)-Levamisole;Ketrax;L-Tetramisole;Lepuron;Levamisol;Levipor;Levomysol;Levovermax;Totalon;Vermisol 150;Wormicid;l-2,3,5,6-Tetrahydro-6-phenylimidazo[2,1-b]thiazole;Imidazo[2,1-b]thiazole,2,3,5,6-tetrahydro-6-phenyl-, (S)-;(-)-2,3,5,6-Tetrahydro-6-phenylimidazo[2.1-b]thiazole;