Carboxylic acid compound, method for preparation thereof, and use thereof

A carboxylic acid compound of Chemical Formula Ia or Ib or Chemical Formula IIa or IIb, or a pharmaceutically acceptable salt, or solvate thereof,

• wherein,
• Y, W and Z are each independently C or N;
• A is S or O;
• Q is substituted or unsubstituted ethylene, propylene,
• or phenylene, wherein substituent is methyl, ethyl, propyl, —CD3, cyclopropyl, cyclobutyl, cyclopentyl, cyclopropylidene, cyclobutylidene, cyclopentylidene or fluorine;
• M is H, Na, K, Ca or C1-4 alkyl;
• R1, R2 and R3 are each independently hydrogen or halogen;
• Ra and Rb are each independently hydrogen, C1-6 alkyl or bond to each other to form a substituted or unsubstituted C6-10 aromatic ring structure, wherein the substituent in the substituted C6-10 aromatic ring structure is halogen, C1-3 alkyl or C1-3 alkoxy;
• Rc is —CN, carboxyl, hydroxyl-substituted or unsubstituted C1-6 alkyl, hydroxyl-substituted or unsubstituted C3-6 cycloalkyl, hydroxyl-substituted or unsubstituted 3- to 6-membered heterocycloalkyl containing 1 to 3 heteroatom(s) selected from O, S and N.