... no drug tolerance. Chemical Name 1-methyl-3-(3-methyl-4-{(4-[(trifluoromethyl)thio]phenoxy)phenyl}-1,3,5-triazinane-2 ... ,4,6-trioneUse and Dosage 25ppm intake of water,uses two ... way, only need to use the drug for two days.4. High Security, ten times more dosage has no untoward reaction, so ...