This invention discloses new compounds of the formula ##EQU1## wherein R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl, cycloalkyl, alkoxy, alkylthio, alkylsulfonyl and alkylsulfinyl; Z.sup.1 and Z.sup.2 are independently selected from the group consisting of oxygen and sulfur; R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are each selected from the group consisting of hydrogen and alkyl; m is an integer from 0 to 2; and n is the integer 1 or 2. The compounds of the above description are useful as herbicides.
本发明揭示了公式##EQU1##中的新化合物,其中R.sup.1选自烷基,烯基,卤代烷基,环烷基,烷氧基,烷
硫基,烷基磺酰基和烷基亚磺酰基的群;Z.sup.1和Z.sup.2独立地选自氧和
硫的群;R.sup.2,R.sup.3,R.sup.4,R.sup.5,R.sup.6和R.sup.7均选自氢和烷基的群;m是从0到2的整数;n是整数1或2。上述描述的化合物可用作
除草剂。