N-tetrachloroethylthio-substituted halomethanesulfonamides of the formula ##STR1## wherein R is alkyl, cycloalkyl, acyl, X is fluoro, chloro, bromo or iodo and R' is tetrachloroethyl, are useful as algicides.
N-四
氯乙
硫基取代的卤代
甲烷磺酰胺具有以下结构式##STR1##其中R是烷基、环烷基、酰基,X是
氟、
氯、
溴或
碘,R'是四
氯乙基,可用作杀藻剂。