Compounds of the formula (I): ##STR00001## or a pharmaceutically acceptable salt, prodrug, solvate or polymorph thereof, wherein R, R.sup.1, and Z are as defined herein, are useful in treating or preventing a condition for which an NK.sub.2 antagonist is efficacious.

 
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< Fusion peptide of human parathyroid hormone derived peptide and tat peptide, preparation thereof, and skin slimming cosmetic composition comprising the same

< WWOX: a tumor suppressor gene mutated in multiple cancers

> Immunomodulation and effect on cell processes relating to serotonin family receptors

> Gene therapy by cell specific targeting
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