Patent ID: 8273905

Claim:
A compound corresponding to formula I, wherein R 1 is C 1-4 -alkyl; R 2 is C 1-4 -alkyl; R 3 is phenyl which is optionally substituted 1 to 3 times by any of halogen, C 1-6 -alkyl or C 1-4 -alkoxy; R 4 is hydrogen; C 1-6 -alkyl or C 3-7 -cycloalkyl-C 1-4 -alkyl, R 6 is hydrogen; and R 7 is hydrogen; and R 8 is hydrogen; and R 10 is C 1-6 -alkyl; phenyl-C 0-4 -alkyl or pyridinyl-C 0-4 -alkyl; provided that R 10 is not phenyl when R 5 and R 9 together form C 2 -alkylene; R 5 and R 9 together form C 1-3 -alkylene; and n is 0 or 1, or a physiologically compatible salt thereof.