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US 7,612,225 B2Granted
Crystal of triterpene derivative
AssigneeShionogi & Co., Ltd.
InventorMasataka Fumoto
Life of this patent
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Abstract
Disclosed herein are a novel crystal of a novel triterpene derivative, a method for producing the crystals, and a pharmaceutical preparation obtained by using the crystals. The novel crystal is a crystal of a compound (I) of the formula (I):
Claims3
A crystal of a compound of the formula (I):
- which exhibits a powder X-ray diffraction pattern having main peaks at diffraction angles (2θ) of 6.0, 6.5, 12.6, 13.6, and 15.4 (degree).
Dependencies are inferred from the claim text.