| 摘要 |
The present invention provides a nasal pharmaceutical composition comprising as active agent a compound of formula I, <IMAGE> I wherein R1 is hydrogen or halogen, R2 is hydrogen or alkyl of 1 to 4 carbon atoms, either (i) R3 is isopropyl, sec-butyl, or isobutyl, R4 methyl, ethyl or isopropyl and R5 hydrogen and R6 is hydrogen or methoxy or R5 and R6 are together a single bond, or (ii) R3 is benzyl, R4 is methyl, R5 is hydrogen and R6 is hydrogen or methoxy, in association with a pharmaceutically acceptable carrier or diluent, adapted for nasal or pulmonary administration.
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