CRYSTALS (2) OF PYRAZINO[2,1-c][1,2,4]TRIAZINE COMPOUND
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Nov 3, 2016
app pub date -
Dec 22, 2014
filing date -
Dec 25, 2013
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Provided are a crystal of a hydrate of compound 1, showing diffraction peaks at diffraction angles (2θ±0.2°) of 10.7°, 10.9°, 14.4°, 19.1° and 22.8°, in powder X-ray diffraction, a crystal of compound 1 or hydrate thereof, showing diffraction peaks at diffraction angles (2θ±0.2°) of 7.2°, 8.9°, 13.2°, 16.4° and 22.4°, in powder X-ray diffraction, a crystal of an anhydride of compound 1, showing diffraction peaks at diffraction angles (2θ±0.2°) of 10.3°, 14.2°, 14.6°, 16.1° and 22.1°, in powder X-ray diffraction, and a crystal of compound 1 or hydrate thereof, showing diffraction peaks at diffraction angles (2θ±0.2°) of 7.3°, 10.7°, 16.3°, 19.8° and 23.8°, in powder X-ray diffraction.
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