Compounds of the formula ##STR1## where A, B, D, R.sup.1 and R.sup.2 have the meanings stated in the description, are described. The compounds are suitable for controlling diseases. The novel compounds are prepared via compounds of the formula H.sub.2 N--CH.sub.2 --G--M
The invention relates to a compound of the formula I
1
or a salt thereof with a physiologically tolerated acid, or stereoisomers thereof, wherein R
1
, R
2
, A, B, C and D have the meanings described in the specification.