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US 12,703,683 B2Granted
Crystalline form III of melanocortin receptor agonist compound and preparation method therefor
AssigneeLG Chem, Ltd.
InventorsJi Yoon Kim, Seul Ah Chun, Sung Won Kim
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Abstract
The present invention relates to a crystalline form III represented by formula 1, a method for preparing the same, and a pharmaceutical composition comprising the same. The crystalline form III represented by formula 1 of the present invention may be characterized by XRPD patterns, TG/DTA profiles, an NMR spectrum, and/or DVS profiles.
Claims29
A crystalline form III of a compound of the following formula 1, a pharmaceutically acceptable salt thereof, or a solvate thereof,
- wherein the X-ray powder diffraction (XRPD) pattern has 5 or more characteristic peaks selected from among peaks with the following diffraction angles (2θ values) of:
- 6.238±0.1°, 8.257±0.1°, 8.828±0.1°, 16.618±0.1°, 17.465±0.1°, 18.859±0.1°, 19.061±0.1°, 19.333±0.1°, 20.642±0.1°, 22.679±0.1°, and 25.985±0.1°,
- wherein R1 is C2-C5 alkyl.
Dependencies are inferred from the claim text.