摘要 |
PCT No. PCT/EP97/06131 Sec. 371 Date May 22, 1999 Sec. 102(e) Date May 22, 1999 PCT Filed Nov. 5, 1997 PCT Pub. No. WO98/21207 PCT Pub. Date May 22, 1998The invention relates to compounds of the formula (I), wherein R1, R2, R3, R4, R5 and n have the meanings cited in the description said compounds being new effective bronchial therapeutic agents.
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