This invention discloses new compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of alkyl, cycloalkyl, alkenyl, haloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; and R.sup.2 is selected from the group consisting of alkyl, alkenyl, alkynyl and haloalkyl.
这项发明揭示了一种新化合物,其
化学式为##STR1##其中R.sup.1选自烷基、环烷基、烯基、卤代烷基、烷氧基、烷
硫基、烷磺酰基和烷基亚磺酰基组成的群;R.sup.2选自烷基、烯基、炔基和卤代烷基组成的群。