Disclosed is a compound of formula (I)

##STR00001## or a stereoisomer thereof, or a salt of any of the foregoing and to processes for its preparation. The compounds of formula (I) are useful in the treatment TRPML1-mediated disorders or diseases.

The present invention provides a crystalline form of an acetylcholinesterase inhibitor, a preparation method therefor and application thereof. Specifically, the crystalline form is crystalline form A, crystalline form B and crystalline form C of 2-((1-(2-fluorobenzyl)-4-fluoropiperidin-4-yl) methylene)-5, 6-dimethoxy-2, 3-dihydro-1-indanone. The crystalline form of the present invention does not contain water and solvent, has high stability and low hygroscopicity, is easy to process, and is very suitable for preparing drugs for preventing and/or treating neurodegenerative diseases.

The present invention provides a crystalline form of an acetylcholinesterase inhibitor, a preparation method therefor and application thereof. Specifically, the crystalline form is crystalline form A, crystalline form B and crystalline form C of 2-((1-(2-fluorobenzyl)-4-fluoropiperidin-4-yl) methylene)-5, 6-dimethoxy-2, 3-dihydro-1-indanone. The crystalline form of the present invention does not contain water and solvent, has high stability and low hygroscopicity, is easy to process, and is very suitable for preparing drugs for preventing and/or treating neurodegenerative diseases.

Compounds are provided that are useful as immunomodulators. The compounds have the following Formula (I): ##STR00001##
including stereoisomers and pharmaceutically acceptable salts thereof, wherein Z, L, R.sup.1a, R.sup.1b, R.sup.1c, R.sup.1d, R.sup.2a, R.sup.2b, R.sup.2c, R.sup.3, R.sup.4, R.sup.5, R.sup.6a, R.sup.6b, m and n are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.

Compounds are provided that are useful as immunomodulators. The compounds have the following Formula (I): ##STR00001##
including stereoisomers and pharmaceutically acceptable salts thereof, wherein Z, L, R.sup.1a, R.sup.1b, R.sup.1c, R.sup.1d, R.sup.2a, R.sup.2b, R.sup.2c, R.sup.3, R.sup.4, R.sup.5, R.sup.6a, R.sup.6b, m and n are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.

CB-7 exhibits a weak TLR7 inhibiting effect in normal mice. The present invention provides a novel compound with a stronger TLR7 inhibiting effect than CB-7, a pharmaceutically acceptable salt of said compound, or a prodrug of said compound or salt. The present invention also provides a drug for the prevention or treatment of diseases associated with the activation of TLR7, said drug including the aforementioned TLR7 activation inhibitor.

CB-7 exhibits a weak TLR7 inhibiting effect in normal mice. The present invention provides a novel compound with a stronger TLR7 inhibiting effect than CB-7, a pharmaceutically acceptable salt of said compound, or a prodrug of said compound or salt. The present invention also provides a drug for the prevention or treatment of diseases associated with the activation of TLR7, said drug including the aforementioned TLR7 activation inhibitor.

A compound of Formula (I), or a pharmaceutically acceptable salt thereof, is described, wherein the substituents are as defined herein. Pharmaceutical compositions comprising the same and method of using the same are also described.

##STR00001##

A hydrofluoroolefin ether represented by the general Formula (I), compositions that include such compounds, and apparatuses and methods for use that include such compositions and compounds, wherein Formula (I) is represented by: R.sub.f—O—CH.sub.2CH═CHCH.sub.2—O—R.sub.f (I) wherein each Rf group is independently a linear, branched, and/or cyclic perfluoroalkyl group having 2 to 9 carbon atoms and optionally further including 1 to 3 nitrogen and/or oxygen catenary heteroatoms.
R.sub.f—O—CH.sub.2CH═CHCH.sub.2—O—R.sub.f  (I)

The present invention relates to benzimidazole derivatives of formula (I) as inhibitors of retinoid-related orphan receptor gamma (RORγ) protein, pharmaceutical compositions containing the compounds, preparation methods thereof, and the use of the compounds as therapeutic agents for the treatment of RORγ-mediated diseases or disorders. ##STR00001##