38524-82-2 57608-10-3 AI3-29118 BRN 2338086 ENT 29118 O-Ethyl S-propyl O-(2,4,6-trichlorophenyl) phosphorothioate O-Ethyl S-propyl O-(2,4,6-trichlorophenyl)phosphorothioate Phosphorothioic acid, O-ethyl S-propyl O-(2,4,6-trichlorophenyl) ester Phosphorothioic acid, O-ethyl S-propyl O-(2,4,6-trichlorophenyl) ester (9CI) RH 218 RH-218 RH-28,218 Experimental Insecticide RH-8218 Rohm & Haas RH-218 Trifenofos Trifenofos [ANSI]