58995-43-0 AI3-27399 BAY 69588 Bayer 69588 ENT 27,399 NSC 190990 O-Ethyl O-6-quinolinyl methylphosphonothioate Phosphonothioic acid, methyl-, O-ethyl O-6-quinolinyl ester Phosphonothioic acid, methyl-, O-ethyl O-6-quinolyl ester