3954-73-2 AI3-25788 CELA K 159 CP 40296 ENT 25,788 K 159 Monsanto CP-40296 O-(4-Chlorobutyl) O-(4-nitro-3-(trifluoromethyl)phenyl)methylphosphonothioate Phosphonothioic acid, methyl-, O-(4-chlorobutyl) O-(4-nitro-3-(trifluoromethyl)phenyl) ester Phosphonothioic acid, methyl-, O-(4-chlorobutyl) O-(alpha,alpha,alpha-trifluoro-4-nitro-m-tolyl) ester