1-Thiochromone, 3-(chloromethyl)-, 1,1-dioxide 3-(Chloromethyl)thiochromone 1,1-dioxide 3-Chloromethylthiochromone-1,1-dioxide 4H-1-Benzothiopyran-4-one, 3-(chloromethyl)-, 1,1-dioxide (9CI) 77694-48-5 NSC 332184