Crystalline form of heterocyclic compound, preparation method therefor and application thereof

A crystalline form of the compound represented by formula A or a solvate thereof:

• the crystalline form is selected from crystalline form I, crystalline form II, crystalline form III, crystalline form IV, crystalline form V, crystalline form VI, crystalline form VII crystalline form VIII and crystalline form IX;
• wherein, the crystalline form III of hydrate of the compound of formula A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following angles of 2θ:
• 12.91°±0.20° 16.77°±0.20°, 19.27°±0.20° and 22.80°±0.20°;
• the crystalline form V of the compound of formula A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following angles of 2θ:
• 8.38°±0.20°, 9.15°±0.20°, 13.52°±0.20° and 18.44±0.20°;
• the crystalline form I of the compound of formula A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following angles of 2θ:
• 8.56°±0.20°, 12.48±0.20° and 22.13°±0.20°;
• the crystalline form II of MTBE solvate of the compound of formula A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following angles of 2θ:
• 8.42°±0.20°, 12.09°±0.20°, 13.68°±0.20° and 20.87°±0.20°;
• the crystalline form IV of hydrate of the compound of formula A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following angles of 2θ:
• 8.65°±0.20°, 12.69°±0.20° and 22.56°±0.20°;
• the crystalline form VI of hydrate of the compound of formula A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following angles of 2θ:
• 8.62°±0.20°, 12.69°±0.20° and 22.59°±0.20°;
• the crystalline form VII of ethylene glycol solvate of the compound of formula A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following angles of 2θ:
• 8.36°±0.20°, 12.13°±0.20°, 12.45°±0.20°, 16.84°±0.20° and 21.66°±0.20°;
• the crystalline form VIII of THF solvate of the compound of formula A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following angles of 2θ:
• 8.53°±0.20°, 12.38°±0.20°, 13.66°±0.20° and 21.49°±0.20°;
• the crystalline form IX of DMSO solvate of the compound of formula A has an X-ray powder diffraction pattern comprising characteristic diffraction peaks at the following angles of 2θ:
• 8.55°±0.20°, 12.43°±0.20°, 21.75°±0.20° and 25.07°±0.20°.