| abstract |
The present invention relates to a compound of formula (I) or a pharmacologically acceptable salt, solvate or hydrate thereof, wherein R is selected from hydrogen, methyl and cyclopropylmethyl; AA-COOH is selected from 2 -amino- Amino acids of 2-adamantanecarboxylic acid, cyclohexylglycine and 9-amino-bicyclo[3.3.1]nonane-9-carboxylic acid; R2 is selected from (C 1 -C 6 )alkyl, (C 3 -C 8 ) cycloalkyl, (C 3 -C 8 ) cycloalkylmethyl, halogen, nitro and trifluoromethyl; ALK is (C 2 -C 5 ) alkylene; R 3 , R 4 and R 5 Each and independently selected from hydrogen and (C 1 -C 4 )alkyl, provided that one of R 3 , R 4 and R 5 has the formula (II), wherein ALK' is (C 2 -C 5 )alkylene R 6 is selected from hydrogen and (C 1 -C 4 )alkyl; and R 7 is selected from H and effector moieties. |