A condensed-cyclic compound represented by Formula 1 and an organic light-emitting device including the condensed-cyclic compound. ##STR00001##
wherein R.sub.1 to R.sub.10 are defined as in the specification.

To provide a novel compound which can be used as a host material in which a light-emitting substance is dispersed. To provide a light-emitting element having a long lifetime. A compound represented by General Formula (G0). In the formula, A represents any one of a substituted or unsubstituted dibenzothiophenylene group and a substituted or unsubstituted dibenzofuranylene group, X represents a substituted or unsubstituted fluorenyl group, E represents a substituted or unsubstituted dibenzo[f,h]quinoxalinyl group, and Ar represents a substituted or unsubstituted arylene group having 6 to 30 carbon atoms.
E-Ar-A-X   (G0)

To provide a novel compound which can be used as a host material in which a light-emitting substance is dispersed. To provide a light-emitting element having a long lifetime. A compound represented by General Formula (G0). In the formula, A represents any one of a substituted or unsubstituted dibenzothiophenylene group and a substituted or unsubstituted dibenzofuranylene group, X represents a substituted or unsubstituted fluorenyl group, E represents a substituted or unsubstituted dibenzo[f,h]quinoxalinyl group, and Ar represents a substituted or unsubstituted arylene group having 6 to 30 carbon atoms.
E-Ar-A-X   (G0)

Disclosed in the present invention is a crystal form I of Canagliflozin, and an X-ray powder diffraction spectrum of the crystal form I has characteristic diffraction peaks when 2θ is at the position of 4.4±0.2°, 8.4±0.2°, 16.8±0.2°, 17.5±0.2°, 18.0±0.2°, and 22.8±0.2°. The crystal form is physically and chemically stable and is suitable for manufacturing of various preparations.

Disclosed in the present invention is a crystal form I of Canagliflozin, and an X-ray powder diffraction spectrum of the crystal form I has characteristic diffraction peaks when 2θ is at the position of 4.4±0.2°, 8.4±0.2°, 16.8±0.2°, 17.5±0.2°, 18.0±0.2°, and 22.8±0.2°. The crystal form is physically and chemically stable and is suitable for manufacturing of various preparations.

The present invention relates to: a compound for an organic optoelectronic diode, represented by Chemical Formula 1; an organic optoelectronic diode comprising same; and a display device comprising the organic optoelectronic diode. The details of the Chemical Formula 1 are shown in the description.

The present invention relates to: a compound for an organic optoelectronic diode, represented by Chemical Formula 1; an organic optoelectronic diode comprising same; and a display device comprising the organic optoelectronic diode. The details of the Chemical Formula 1 are shown in the description.

Provided is a compound of Chemical Formula 1:
HAr-L1-L2-Ar1  Chemical Formula 1 wherein: HAr is a group of the following Chemical Formula A-1 or A-2; L1 and L2 are the same as or different from each other, and each independently is a direct bond, a substituted or unsubstituted monocyclic or polycyclic arylene group, or a substituted or unsubstituted monocyclic or polycyclic heteroarylene group; and Ar1 is a substituted or unsubstituted monocyclic or polycyclic aryl group, or a substituted or unsubstituted monocyclic or polycyclic heteroaryl group; ##STR00001## wherein: R1 to R3 are the same as or different from each other, and each independently is a substituted or unsubstituted linear or branched alkyl group; and ##STR00002##
is a site bonding to L1 of Chemical Formula 1,
and an organic light emitting device comprising the same.

Provided is a compound of Chemical Formula 1:
HAr-L1-L2-Ar1  Chemical Formula 1 wherein: HAr is a group of the following Chemical Formula A-1 or A-2; L1 and L2 are the same as or different from each other, and each independently is a direct bond, a substituted or unsubstituted monocyclic or polycyclic arylene group, or a substituted or unsubstituted monocyclic or polycyclic heteroarylene group; and Ar1 is a substituted or unsubstituted monocyclic or polycyclic aryl group, or a substituted or unsubstituted monocyclic or polycyclic heteroaryl group; ##STR00001## wherein: R1 to R3 are the same as or different from each other, and each independently is a substituted or unsubstituted linear or branched alkyl group; and ##STR00002##
is a site bonding to L1 of Chemical Formula 1,
and an organic light emitting device comprising the same.

4-Hydroxyphenyl-2H-indazol-5-ol compounds are estrogen receptor beta ligands that have immunomodulatory properties and increase oligodendrocyte survival, differentiation, and remyelination. The compounds, compositions, and kits are useful in the treatment of multiple sclerosis and endometriosis.