... In mammals, following oral administration, excretion is primarily via the urine as the unchanged compound. For details of minor urinary metabolites, see ... , 62, 71. Plants In plants, DT50 c. 3-10 d. The main metabolite is 3,5,6-trichloro-2-methoxypyridine. Soil ... -life of 46 d, depending on soil and climatic conditions. The major degradation product is 3,5,6-trichloro-2-pyridinol (which ...