Phosphorothioicacid, O,O-diethyl ester, O,O-diester with 4,4'-thiodiphenol (7CI); Phenol,4,4'-thiodi-, O,O-diester with O,O-diethyl phosphorothioate (8CI); Phenol,4,4'-thiodi-, bis(O,O-diethyl phosphorothioate)
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