O-ethyl-O-para-nitrophenyl phenylphosphonothioate

O-ethyl-O-para-nitrophenyl phenylphosphonothioate

[¦ō ¦eth·əl ¦ō ¦par·ə ‚nī·trō′fen·əl‚fen·əl·fäs¦fä·nō ′thī·ə‚wāt]
(organic chemistry)
C2H5O4NPS A yellow, crystalline compound with a melting point of 36°C; used as an insecticide and miticide on fruit crops. Abbreviated EPN.