Synonyms : 1-Methyl-2-mercaptoimidazole, Eli Lilly Brand of Methimazole, Estedi Brand of Methimazole, Favistan, Henning Berlin Brand of Methimazole, Hexal Brand of Methimazole, Jones Brand of Methimazole, Mercasolyl, Mercazol, Mercazole, Mercazolyl, Merkazolil, Methizol