N-trichlorovinylthio-substituted halomethanesulfonamides of the formula ##STR1## wherein R is alkyl, cycloalkyl, aryl, X is fluoro, chloro, bromo or iodo and R' is trichlorovinyl, are fungicides and algicides.
式为##STR1##的N-
三氯乙烯基硫代取代卤代甲磺酰胺,其中R为烷基,环烷基,芳基,X为
氟,
氯,
溴或
碘,R'为
三氯乙烯基,是杀真菌剂和杀藻剂。