Abstract: The present invention relates to heteroaryl derivatives, preparation methods therefor, and applications thereof in medicine. Specifically, the present invention relates to a heteroaryl derivative represented by general formula (AI), a preparation method therefor, and a pharmaceutically acceptable salt, and use thereof as a therapeutic agent, in particular, as an SHP2 allosteric inhibitor, wherein the definition of substituents in general formula (AI) is the same as that in the description.

Abstract: The present invention relates to a pharmaceutically acceptable salt of (S)-2-(6-fluorobenzo[d]oxazol-2-yl)-6-methoxy-5-((5-methoxypyridin-2-yl))methoxy)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid, a preparation method therefor, a pharmaceutical composition comprising the pharmaceutically acceptable salt thereof, and the use thereof as a therapeutic agent, in particular as an angiotensin II type-2 receptor antagonist.

Abstract: The invention discloses a micro hydraulic suspension mechanical pump structure and an assembling method thereof. The hydraulic suspension micro pump includes a volute, an upper end cap, a positioning sheet, an impeller, a hollow cup motor, a waterproof cover, and a rotor. The hollow cup motor includes a motor casing, a motor bottom cap, a magnet rotor, a coil, and an iron core. The waterproof cover is in a separated state from the motor, and a lower part has a positioning boss to implement radial cooperation with a recess at a corresponding position of the motor. At the same time, there is the sheet between the recess and the boss to implement axial positioning of the waterproof cover.

Abstract: The invention discloses a micro hydraulic suspension mechanical pump structure and an assembling method thereof. The hydraulic suspension micro pump includes a volute, an upper end cap, a positioning sheet, an impeller, a hollow cup motor, a waterproof cover, and a rotor. The hollow cup motor includes a motor casing, a motor bottom cap, a magnet rotor, a coil, and an iron core. The waterproof cover is in a separated state from the motor, and a lower part has a positioning boss to implement radial cooperation with a recess at a corresponding position of the motor. At the same time, there is the sheet between the recess and the boss to implement axial positioning of the waterproof cover.

Abstract: The present invention relates to aromatic ring or heteroaromatic ring derivatives, a preparation method therefor and applications thereof in medicine. Specifically, the present invention relates to aromatic ring or heteroaromatic ring derivatives represented by general formula (I), a preparation method therefor and pharmaceutically acceptable salts thereof, as well as a use thereof as therapeutic agents, especially uses as angiotensin II type 2 receptor (AT2R) antagonists, wherein the definition of each substituent in the general formula (I) is the same as the definition thereof in the description.

Abstract: Provided are a tetrahydroisoquinoline derivative, a preparation method therefor and an application thereof in medicine. In particular, provided are a tetrahydroisoquinoline derivative represented by general formula (I), a preparation method therefor and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as an angiotensin II type 2 receptor (AT2R) antagonist, wherein definitions of substituent groups in the general formula (I) are the same as definitions in the description.

Abstract: Provided are a tetrahydroisoquinoline derivative, a preparation method therefor and an application thereof in medicine. In particular, provided are a tetrahydroisoquinoline derivative represented by general formula (I), a preparation method therefor and a pharmaceutically acceptable salt thereof as well as use thereof as a therapeutic agent, in particular as an angiotensin II type 2 receptor (AT2R) antagonist, wherein definitions of substituent groups in the general formula (I) are the same as definitions in the description.