2,2,4,4-Tetramethylimidazolidine-5-thione 2582-16-3 4-Imidazolidinethione, 2,2,5,5-tetramethyl- 5-Imidazolidinethione, 2,2,4,4-tetramethyl- NSC87747 WLN: T5MY DMTJ BUS C1 C1 E1 E1