2-Chlorophenyl phosphoro-4-anisidochloridate 2-Chlorophenyl phosphoro-p-anisidochloridate 82556-11-4 CPPAC Phosphoramidochloridic acid, (4-methoxyphenyl)-, 2-chlorophenyl ester ortho-Chlorophenyl phosphoro-p-anisidochloridate