Compounds of the formula I ** Formula ** in which I1, I2, I3, I4, I5 are independently from each other N or CR ', T is an unsubstituted or substituted phenyl or naphthyl once, twice, three or four times with R, or a saturated, unsaturated or aromatic one or two cycle heterocycle with 1 to 4 atoms of N, O and / or S that may be substituted once, twice or three times with R,>； = S,>； = NR 'and / o>； = O, R 1 is ethyl, n-propyl, iso-propyl, cyclopropyl, butyl, iso-butyl, sec-butyl, cyclobutyl, tert-butyl, phenyl, benzyl, 2-oxetanyl, 3-oxetanyl, tetrahydro- furan-3-yl, tetrahydro-furan-2-yl, cyclopentyl, pentyl, methylsulfanylmethyl, ethylsulfanylmethyl, 2-methylsulfanylethyl or 1-methylsulfanylethyl, A1 represents from 0 to 4 peptide-type amino acid residues linked together selected from the group consisting of alanine, glycine, cyclopropylglycine, cyclobutylglycine, cyclopentylglycine, cyclohexylglycine, 3-oxetanylglycine, 3-oxetanylglycine, tetrahydro-furan-3-ylglycine, tetrahydro-furan- 2- ilglycine, ethylsulfanylmethylglycine, 2-methylsulfanylethylglycine, 1-methylsulfanylethylglycine, valine, norvaline, aminobutyric acid, leucine, isoleucine, proline, tert-leucine, norleucine, methionine, phenylalanine, naphthylalanine-O-seryl-methyl-ethyl-serine , -OCO-, -NRCO-, -SO2- and -NRSO2- and A2 represents 0 to 4 peptide-type amino acid residues linked together selected from the group consisting of alanine, glycine, cyclopropylglycine, cyclobutylglycine, cyclopentylglycine, cyclohexylglycine, 3 -oxetanylglycine, 3-oxetanylglycine, tetrahydro-furan-3-ylglycine, tetrahydro-furan-2-ylglycine, ethylsulfanylmethylglycine, 2-methylsulfanylethylglycine, 1-methylsulfanylethylglycine, valine, norvaline, leucinezine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine, leuccinazine norleucine, methionine, ph
