63869-33-0 ENT 27,185 Mobil VC 3-759 O-(2,4-Dichlorophenyl) S-propyl methylphosphonodithioate Phosphonodithioic acid, methyl-, O-2,4-dichlorophenyl S-propyl ester V-C 3-759 V-C Chemical V-C 3-759 Virginia-carolina 3-759