69494-08-2 O,O-Diethyl 2,2,2-trichloro-1-valeryloxy ethyl phosphonate Phosphonic acid, (2,2,2-trichloro-1-hydroxyethyl)-, diethyl ester, valerate Valeric acid, ester with diethyl (2,2,2-trichloro-1-hydroxyethyl)phosphonate