SOLID FORMS OF 1-ETHYL-7-(2-METHYL-6-(1H-1,2,4-TRIAZOL-3-YL)PYRIDIN-3-YL)-3,4-DIHYDROPYRAZINO[2,3-b]PYRAZIN-2(1H)-ONE, COMPOSITIONS THEREOF, AND METHODS OF THEIR USE
To provide solid forms of 1-ethyl-7-(2-methyl-6-(1H-1,2,4-triazol-3-yl)pyridin-3-yl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one, compositions thereof, and methods of their use for treatment of a disease, disorder or condition.SOLUTION: There is provided a crystal form comprising the compound of formula (I), or a tautomer thereof, which has an X-ray powder diffraction pattern including peaks at approximately 6.18, 21.74 and 26.7° 2θ.SELECTED DRAWING: Figure 1【課題】1-エチル-7-(2-メチル-6-(1H-1,2,4-トリアゾール-3-イル)ピリジン-3-イル)-3,4-ジヒドロピラジノ[2,3-b]ピラジン-2(1H)-オンの固体形態、その組成物、及び疾患、障害、又は疾病の治療のためのそれらの使用方法の提供。【解決手段】約6.18、21.74、及び26.7°の2θにピークを含むX線粉末回折パターンを有する、式(I)の化合物又はその互変異性体を含む結晶形態。【選択図】図1