Provided are a compound as a PD-L1 inhibitor, a preparation method therefor, and use thereof. Further provided is use of the compound or a pharmaceutical composition thereof in the preparation of a medicine, wherein the medicine is used for preventing and treating a PD-L1-related disease.

A compound represented by formula (I) or formula (II) has a pest control effect. (In the formulae, Q.sup.1 represents a pyrazine ring or the like; G.sup.1 represents a nitrogen atom or a carbon atom; X.sup.1 represents an alkyl group or the like; m represents the number of X.sup.1 moieties; A represents an oxygen atom or the like; Y represents a single bond or the like; Q.sup.2 represents a benzene ring or the like; X.sup.2 represents an alkyl group, an aryl group or the like; X.sup.3 represents a halogeno group or the like; n represents the number of X.sup.3 moieties; Z.sup.q- represents a counter ion; and q represents 1 or 2.)

##STR00001##

A compound represented by formula (I) or formula (II) has a pest control effect. (In the formulae, Q.sup.1 represents a pyrazine ring or the like; G.sup.1 represents a nitrogen atom or a carbon atom; X.sup.1 represents an alkyl group or the like; m represents the number of X.sup.1 moieties; A represents an oxygen atom or the like; Y represents a single bond or the like; Q.sup.2 represents a benzene ring or the like; X.sup.2 represents an alkyl group, an aryl group or the like; X.sup.3 represents a halogeno group or the like; n represents the number of X.sup.3 moieties; Z.sup.q- represents a counter ion; and q represents 1 or 2.)

##STR00001##

The present disclosure relates to compounds effective as human protein tyrosine phosphatase beta (HPTP-β) inhibitors thereby regulating angiogenesis. The present disclosure further relates to compositions comprising said human protein tyrosine phosphatase beta (HPTP-β) inhibitors, and to methods for regulating angiogenesis.

The present disclosure relates to compounds effective as human protein tyrosine phosphatase beta (HPTP-β) inhibitors thereby regulating angiogenesis. The present disclosure further relates to compositions comprising said human protein tyrosine phosphatase beta (HPTP-β) inhibitors, and to methods for regulating angiogenesis.

The present disclosure relates to compounds effective as human protein tyrosine phosphatase beta (HPTP-β) inhibitors thereby regulating angiogenesis. The present disclosure further relates to compositions comprising said human protein tyrosine phosphatase beta (HPTP-β) inhibitors, and to methods for regulating angiogenesis.

The present disclosure relates to compounds effective as human protein tyrosine phosphatase beta (HPTP-β) inhibitors thereby regulating angiogenesis. The present disclosure further relates to compositions comprising said human protein tyrosine phosphatase beta (HPTP-β) inhibitors, and to methods for regulating angiogenesis.

The present invention relates to a new compound of formula (I) wherein the variables have the meaning as indicated in the claims; or an enantiomer or salt thereof. The compounds of formula (I) are useful in the control of parasites, in particular endoparasites, in and on vertebrates.

##STR00001##

The present invention relates to a new compound of formula (I) wherein the variables have the meaning as indicated in the claims; or an enantiomer or salt thereof. The compounds of formula (I) are useful in the control of parasites, in particular endoparasites, in and on vertebrates.

##STR00001##

A compound having a maximum absorption in a wavelength range of 350 nm to 550 nm that functions as a dichroic dye is provided. In particular, a compound represented by formula (1) is provided. In the compound of formula (1), R.sup.1 represents an alkyl group having 1 to 20 carbon atoms or the like; R.sup.2 represents an acyl group having 1 to 20 carbon atoms or the like; R.sup.3 represents a hydrogen atom or the like; and Y represents a group of formula (Y1). In the formula (Y1), * represents a bonding site with N, or a group of formula (Y2). In the formula (Y2), * represents a bonding site with N; P.sup.1 and P.sup.2 each independently represent —S— or the like; and Q.sup.1 and Q.sup.2 each independently represent ═N— or the like.

##STR00001##