An anti-human epidermal growth factor receptor 2 (anti-HER2) antibody-drug conjugate or a pharmaceutically acceptable salt thereof, and an application of the anti-HER2 antibody-drug conjugate for preparing an antitumor 5 pharmaceutical product.

An anti-human epidermal growth factor receptor 2 (anti-HER2) antibody-drug conjugate or a pharmaceutically acceptable salt thereof, and an application of the anti-HER2 antibody-drug conjugate for preparing an antitumor 5 pharmaceutical product.

The present invention aims to provide a medicament capable of treating and/or preventing diseases associated with oxidative stress by inhibiting the protein-protein interaction between Keap1 and Nrf2 and activating Nrf2. The present invention relates to a compound represented by the following formula (1): ##STR00001##
wherein each symbol is as described in the DESCRIPTION, or a pharmaceutically acceptable salt thereof. In addition, the present invention also relates to a medicament containing the aforementioned compound, for the prophylaxis and/or treatment of diseases involving oxidative stress selected from the group consisting of chronic kidney disease, non-alcoholic steatohepatitis, chronic obstructive pulmonary disease, radiation skin disorder, radiation mucosal disorder, cardiac failure, pulmonary arterial hypertension, Parkinson's disease, Friedreich's ataxia, multiple sclerosis, age-related macular degeneration, retinitis pigmentosa and glaucoma.

The present invention aims to provide a medicament capable of treating and/or preventing diseases associated with oxidative stress by inhibiting the protein-protein interaction between Keap1 and Nrf2 and activating Nrf2. The present invention relates to a compound represented by the following formula (1): ##STR00001##
wherein each symbol is as described in the DESCRIPTION, or a pharmaceutically acceptable salt thereof. In addition, the present invention also relates to a medicament containing the aforementioned compound, for the prophylaxis and/or treatment of diseases involving oxidative stress selected from the group consisting of chronic kidney disease, non-alcoholic steatohepatitis, chronic obstructive pulmonary disease, radiation skin disorder, radiation mucosal disorder, cardiac failure, pulmonary arterial hypertension, Parkinson's disease, Friedreich's ataxia, multiple sclerosis, age-related macular degeneration, retinitis pigmentosa and glaucoma.

Described herein are compounds of Formula I or a pharmaceutically acceptable salt thereof. The compounds of Formula I act as IL4I1 inhibitors and can be useful in preventing, treating or acting as a remedial agent for IL4I1-related diseases.

Described herein are compounds of Formula I or a pharmaceutically acceptable salt thereof. The compounds of Formula I act as IL4I1 inhibitors and can be useful in preventing, treating or acting as a remedial agent for IL4I1-related diseases.

The present invention aims to provide a medicament capable of treating and/or preventing diseases associated with oxidative stress by inhibiting the protein-protein interaction between Keap1 and Nrf2 and activating Nrf2. The present invention relates to a compound represented by the following formula (1):

##STR00001##

wherein each symbol is as described in the DESCRIPTION, or a pharmaceutically acceptable salt thereof. In addition, the present invention also relates to a medicament containing the aforementioned compound, for the prophylaxis and/or treatment of diseases involving oxidative stress selected from the group consisting of chronic kidney disease, non-alcoholic steatohepatitis, chronic obstructive pulmonary disease, radiation skid: disorder, radiation mucosal disorder, cardiac failure, pulmonary arterial hypertension, Parkinson's disease, Friedreich's ataxia, multiple sclerosis, age-related macular degeneration, retinitis pigmentosa and glaucoma.

The present invention aims to provide a medicament capable of treating and/or preventing diseases associated with oxidative stress by inhibiting the protein-protein interaction between Keap1 and Nrf2 and activating Nrf2. The present invention relates to a compound represented by the following formula (1):

##STR00001##

wherein each symbol is as described in the DESCRIPTION, or a pharmaceutically acceptable salt thereof. In addition, the present invention also relates to a medicament containing the aforementioned compound, for the prophylaxis and/or treatment of diseases involving oxidative stress selected from the group consisting of chronic kidney disease, non-alcoholic steatohepatitis, chronic obstructive pulmonary disease, radiation skid: disorder, radiation mucosal disorder, cardiac failure, pulmonary arterial hypertension, Parkinson's disease, Friedreich's ataxia, multiple sclerosis, age-related macular degeneration, retinitis pigmentosa and glaucoma.

A compound having Nrf2-activating action is provided. The compound is represented by formula (I), a salt of the compound, or a solvate of the compound or salt: ##STR00001##
wherein R.sup.1a and R.sup.1b are identical or different and represent a hydrogen atom, an alkyl group, or a halogen atom; R.sup.2 represents an optionally substituted group derived from a heterocycle, and the heterocycle represents thiophene, furan, pyrrole, thiazole, or a fused ring including any of these heterocycles; R.sup.4 and R.sup.5 are identical or different and represent a hydrogen atom or an optionally substituted alkyl group, or R.sup.4 and R.sup.5 bind with each other to form NHCHN; R.sup.6 represents an optionally substituted alkyl group; A.sup.1, A.sup.2, A.sup.3, and A.sup.4 are identical or different and represent CH or N wherein the number of N is 1 or less; and Z represents a hydrogen atom or a halogen atom.

A compound having Nrf2-activating action is provided. The compound is represented by formula (I), a salt of the compound, or a solvate of the compound or salt: ##STR00001##
wherein R.sup.1a and R.sup.1b are identical or different and represent a hydrogen atom, an alkyl group, or a halogen atom; R.sup.2 represents an optionally substituted group derived from a heterocycle, and the heterocycle represents thiophene, furan, pyrrole, thiazole, or a fused ring including any of these heterocycles; R.sup.4 and R.sup.5 are identical or different and represent a hydrogen atom or an optionally substituted alkyl group, or R.sup.4 and R.sup.5 bind with each other to form NHCHN; R.sup.6 represents an optionally substituted alkyl group; A.sup.1, A.sup.2, A.sup.3, and A.sup.4 are identical or different and represent CH or N wherein the number of N is 1 or less; and Z represents a hydrogen atom or a halogen atom.