Compounds are provided according to Formula (I): and pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof: wherein X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, A, L, R.sup.1, R.sup.2, R.sup.5, m and n are as defined herein. Compounds of the present invention are contemplated useful for the prevention and treatment of a variety of conditions.

##STR00001##

A prophylactic or therapeutic pharmaceutical agent for HIV infectious diseases, said pharmaceutical agent being characterized by comprising a combination of: (A) a compound represented by formula (I) (wherein ring A represents a non-aromatic heterocyclic ring; ring B represents a benzene ring or a pyridine ring; Q represents —NHC(O)— or the like: each R.sup.1 independently represents a halogen atom or the like: each of R.sup.2a and R.sup.2b independently represents a hydrogen atom or the like: R.sup.3 represents an alkyl group or a haloalky 1 group: R.sup.4 represents a hydrogen atom or an alkyl group: and n represents an integer from 1 to 3) or a pharmaceutically acceptable salt thereof, and (B) a compound having an anti-HIV effect or a pharmaceutically acceptable salt thereof.

##STR00001##

A prophylactic or therapeutic pharmaceutical agent for HIV infectious diseases, said pharmaceutical agent being characterized by comprising a combination of: (A) a compound represented by formula (I) (wherein ring A represents a non-aromatic heterocyclic ring; ring B represents a benzene ring or a pyridine ring; Q represents —NHC(O)— or the like: each R.sup.1 independently represents a halogen atom or the like: each of R.sup.2a and R.sup.2b independently represents a hydrogen atom or the like: R.sup.3 represents an alkyl group or a haloalky 1 group: R.sup.4 represents a hydrogen atom or an alkyl group: and n represents an integer from 1 to 3) or a pharmaceutically acceptable salt thereof, and (B) a compound having an anti-HIV effect or a pharmaceutically acceptable salt thereof.

##STR00001##

This invention disclosed new use of R-terbutaline and other R-enantiomer β2-agonists as immune-modulators for treatment of bronchia-lung inflammatory symptoms or inflammatory fibrosis remolding. This invention also disclosed new use of R-terbutaline and R-β2-agonists for reduced adverse effects related to racemic or S-enantiomer β2-agonists including airway hyper responsiveness and airway fibrosis.

This invention disclosed new use of R-terbutaline and other R-enantiomer β2-agonists as immune-modulators for treatment of bronchia-lung inflammatory symptoms or inflammatory fibrosis remolding. This invention also disclosed new use of R-terbutaline and R-β2-agonists for reduced adverse effects related to racemic or S-enantiomer β2-agonists including airway hyper responsiveness and airway fibrosis.

The present invention relates to novel compounds, pharmaceutical compositions containing such compounds and to their use in therapy.

The present invention relates to novel compounds, pharmaceutical compositions containing such compounds and to their use in therapy.

The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5A inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5A activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.

##STR00001##

The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5A inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5A activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.

##STR00001##

Tricyclic PI3k inhibitor compounds of Formula I with anti-cancer activity, anti-inflammatory activity, or immunoregulatory properties, and more specifically with PI3 kinase modulating or inhibitory activity are described. Methods are described for using the tricyclic PI3K inhibitor compounds of Formula I for in vitro, in situ, and in vivo diagnosis or treatment of mammalian cells, organisms, or associated pathological conditions.

##STR00001##

Formula I compounds include stereoisomers, geometric isomers, tautomers, and pharmaceutically acceptable salts thereof. The dashed lines indicate an optional double bond, and at least one dashed line is a double bond. The substituents are as described.