Synonyms: Phosphorothioicacid, O-(2-chloro-4-nitrophenyl) ester, cyclic O,O,O,O-diester withpentaerythritol (7CI); Phosphorothioic acid, cyclic O,O,O',O'-neopentanetetraylO,O'-bis(2-chloro-4-nitrophenyl) ester (8CI); Pentaerythritol, cyclicO,O,O',O'-diester with O-(2-chloro-4-nitrophenyl) phosphorothioate (8CI);Phenol, 2-chloro-4-nitro-, O,O'-diester with cyclic O,O,O',O'-neopentanetetraylphosphorothioate (8CI)