ally substituted by 1 to 3 hydroxyl groups, and r is an integer of 1 to 3 or the residues R11 form together with the nitrogen atom a pyridinyl group which is unsubstituted or substituted with 1 to 5, preferably 1 to 3 substituent groups R8 as defined above. i) One of the residues as defined in items a) to h) above, wherein one residue R9 or R10 is a saturated or unsaturated nitrogen containing hyd