| 摘要 |
A method of treating warm blooded animals to eradicate certain internal parasites; which method comprises administering to said warm blooded animals a therapeutic dose of a composition comprising as active ingredient a compound of formula I R1 X-CH2-SO2-N ANGLE I R2 wherein X is halogen, and R1 and R2 which may be the same or different are selected from the group consisting of hydrogen, alkyl containing from 1 to 6 carbon atoms, - NHR3 where R3 is hydrogen or an alkyl group containing from 1 to 6 carbons atoms; and when either R1 or R2 is - NHR3 then R2 or R1 respectively is hydrogen. |
