2H-1,2,4-Benzothiadiazine, 6,7-dichloro-, 1,1-dioxide 359-87-5 6,7-Dichloro-2H-1,2,4-benzothiadiazine 1,1-dioxide 6,7-Dicloro-2H-1,2,4-benzotiodiazina 1,1-diossido [Italian]