Provided is an arylsulfonic acid compound characterized by being represented by formula (1). ##STR00001##
[In the formula, Ar.sup.1 represents a group represented by formula (2) (in formula (2), R.sup.1 to R.sup.5 each independently represent a hydrogen atom, halogen atom, cyano group, nitro group, methyl group, or trifluoromethyl group; however, at least one of R.sup.1 to R.sup.5 represents a halogen atom) and Ar.sup.2 represents a group represented by formula (3) or (4).]

Disclosed herein are inhibitors of TNF superfamily costimulatory interactions, and methods for their use in modulating TNF superfamily costimulatory interactions and treating immune system related disorders. In particular, disclosed herein are compounds of Formula (I), and pharmaceutically acceptable salts thereof:

##STR00001##

wherein the substituents are described herein.

Disclosed herein are inhibitors of TNF superfamily costimulatory interactions, and methods for their use in modulating TNF superfamily costimulatory interactions and treating immune system related disorders. In particular, disclosed herein are compounds of Formula (I), and pharmaceutically acceptable salts thereof:

##STR00001##

wherein the substituents are described herein.

The present disclosure provides naphthalenesulfonyl compounds, preparation methods and application thereof. Specifically disclosed is a compound of formula (I) or a salt thereof, which serves as a specific derivatization reagent capable of reacting with hydroxyl and amino groups. The compound features simple synthesis, high reactivity, and ready availability at low cost, and is capable of improving chromatographic separation behaviors of target compounds and enhancing the detection sensitivities of these compounds.

##STR00001##

The present disclosure provides naphthalenesulfonyl compounds, preparation methods and application thereof. Specifically disclosed is a compound of formula (I) or a salt thereof, which serves as a specific derivatization reagent capable of reacting with hydroxyl and amino groups. The compound features simple synthesis, high reactivity, and ready availability at low cost, and is capable of improving chromatographic separation behaviors of target compounds and enhancing the detection sensitivities of these compounds.

##STR00001##

A resist composition comprising a base polymer and a sulfonium or iodonium salt capable of generating fluorobenzenesulfonic acid bonded to iodized benzoic acid offers a high sensitivity and minimal LWR independent of whether it is of positive or negative tone.

A resist composition comprising a base polymer and a sulfonium or iodonium salt capable of generating sulfonic acid bonded to iodized benzene ring offers a high sensitivity and minimal LWR independent of whether it is of positive or negative tone.

The present disclosure is directed dye compounds containing a hydrazinyl substituent and optionally, one or more negatively charged groups, such as sulfonate, phosphate, phosphonate, and/or carboxylate groups and dye compounds containing an aminooxy substitutent. The compounds are useful in the detection of analytes containing aldehyde and ketone groups, including, for example, glycans.

The present disclosure is directed dye compounds containing a hydrazinyl substituent and optionally, one or more negatively charged groups, such as sulfonate, phosphate, phosphonate, and/or carboxylate groups and dye compounds containing an aminooxy substitutent. The compounds are useful in the detection of analytes containing aldehyde and ketone groups, including, for example, glycans.

Provided are a curable composition including an amide compound that is represented by Formula (1) below and of which a density of sulfonic acid is 3.9 milliequivalent/g or greater. ##STR00001## m represents an integer of 1 or greater, n represents an integer of 2 or greater, L.sup.1 represents a m+1-valent linking group, and L.sup.2 represents an n-valent linking group. R.sup.1 represents a hydrogen atom or an alkyl group, and R.sup.2 represents SO.sub.3.sup.?M.sup.+ or SO.sub.3R.sup.3 (R.sup.3 represents an alkyl group or an aryl group). Here, in a case where there are plural R.sup.2's, not all of the R.sup.2's are SO.sub.3R.sup.3. M.sup.+ represents a hydrogen ion, an inorganic ion, or an organic ion.