Crystals and production method for the same
AssigneeOtsuka Chemical Co., Ltd.
InventorsEriko Sato, Noriaki Shiina, Mifuyu Ueno
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Abstract
An object of the present invention is to provide novel crystals. Provided are crystals of 3-hydroxy-N′-(1,3-dimethylbutylidene)-2-naphthoic acid hydrazide having an X-ray powder diffraction pattern comprising a peak of maximum intensity at an angle of diffraction (2θ) of 6.1±0.2°.
Claims13
Crystals of 3-hydroxy-N′-(1,3-dimethylbutylidene)-2-naphthoic acid hydrazide having an X-ray powder diffraction pattern comprising a peak of maximum intensity at an angle of diffraction (2θ) of 6.1±0.2°.
Crystals of 3-hydroxy-N′-(1,3-dimethylbutylidene)-2-naphthoic acid hydrazide having an X-ray powder diffraction pattern comprising characteristic peaks at least at angles of diffraction (2θ) of 6.1±0.2°, 17.7±0.2°, 17.9±0.2° and 19.1±0.2°.
Dependencies are inferred from the claim text.