... this product has 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 days successively. Characteristic1. The newest artificial synthesized ... way, only need to use the drug for two days.4. High Security, ten times more dosage ...