A compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each a lower alkyl group or they may together represent a lower alkylene group so as to form a nitrogen-containing cyclic group with the nitrogen atom to which they attach, R.sub.3 is a cycloalkyl(lower)alkyl group, an oxacycloalkyl(lower)alkyl group or a dioxacycloalkyl(lower)alkyl group and n is an integer of 0 to 2, which is useful as a herbicide.
一种化合物的
化学式为:##STR1## 其中R.sub.1和R.sub.2分别是较低的烷基或它们可以一起表示为较低的亚烷基,以便与它们附着的氮原子形成含氮的环状基团,R.sub.3是环状烷基(较低)烷基,氧杂环烷基(较低)烷基或二氧杂环烷基(较低)烷基,n是0到2的整数,它作为
除草剂有用。