| 摘要 |
PCT No. PCT/EP91/00895 Sec. 371 Date Nov. 4, 1992 Sec. 102(e) Date Nov. 4, 1992 PCT Filed May 14, 1991 PCT Pub. No. WO91/17991 PCT Pub. Date Nov. 28, 1991.Compound of the formula I <IMAGE> (I) wherein the substituents have the meanings given in the description, are new active bronchodilators.
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