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demeton

American  
[dem-i-ton] / ˈdɛm ɪˌtɒn /

noun

Chemistry.
  1. either of two pale-yellow, highly toxic chemicals, C 6 H 15 O 3 PS 2 or C 6 H 15 O 4 PS 2, used as systemic insecticides, lethal to insects feeding on the treated plant or animal.