All possible stereoisomer forms and mixtures of a compound of the formula ##STR1## wherein X is a halogen, R.sub.2 and R.sub.3 are individually selected from the group consisting of alkyl and cycloalkyl of up to 8 carbon atoms optionally substituted with at least one halogen, R.sub.1 is selected from the group consisting of alkyl, alkenyl, alkynyl and cycloalkyl of up to 12 carbon atoms optionally substituted with at least one halogen, aryl and heteroaryl of 5 to 6 ring members optionally substituted with at least one member of the group consisting of halogen, alkyl, alkenyl, alkynyl and cycloalkyl of up to 8 carbon atoms optionally substituted with at least one member of the group consisting of --NO.sub.2, --NH.sub.2, --CN, --OR', --SR", --SOR", --SO.sub.2 R", --NR"'.sub.2, --Ar, OAr.sub.1 and SAr.sub.2, R', R" and R"' are individually selected from the group consisting of alkyl, alkenyl, alkynyl and cycloalkyl of up to 12 carbon atoms optionally substituted by at least one halogen, Ar, Ar.sub.1 and Ar.sub.2 are aryl or heteroaryl of up to 14 carbon atoms optionally substituted with at least one member of the group consisting of halogen and alkyl, alkenyl, alkynyl and cycloalkyl of up to 8 carbon atoms optionally substituted by at least one member of the group consisting of halogen, --NO.sub.2, --NH.sub.2, --CN, --OR', --SR", --SOR", --SO.sub.2 R" and --NR"'.sub.2 and R', R" and R"' have the above definitions and their preparations and novel intermediates useful as pesticides.