The present invention relates to compounds of general formula I wherein R.sup.1, R.sup.2, R.sup.3 and X are as defined ##STR00001##
herein, or to a pharmaceutically acceptable acid addition salt or optical isomers thereof, which are useful to treat CNS disorders.

The invention relates to compounds of the general formula (I), wherein the variable have the meanings as indicated in the claims, or a physiologically acceptable salt thereof. The active ingredients have advantageous pesticidal properties. They are especially suitable for controlling endoparasites in warm-blooded animals. ##STR00001##

The invention relates to compounds of the general formula (I), wherein the variable have the meanings as indicated in the claims, or a physiologically acceptable salt thereof. The active ingredients have advantageous pesticidal properties. They are especially suitable for controlling endoparasites in warm-blooded animals. ##STR00001##

The present invention relates to compounds of Formula (I), (I) wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein. The invention further relates to herbicidal compositions which comprise a compound of Formula (I), to their use for controlling weeds, in particular in crops of useful plants. ##STR00001##