| CPC A61K 31/4439 (2013.01) [C07D 401/14 (2013.01); C07D 413/14 (2013.01)] | 27 Claims |
|
1. A solid form of a compound of the following formula:
 wherein the solid form is zwitterion Form I characterized by an X-ray diffraction pattern having 2θ-reflections at 6.7, 13.3, and 16.6 degrees 2θ, plus or minus 0.2 degrees 2θ;
wherein the solid form is zwitterion Form II characterized by an X-ray diffraction pattern having 2θ-reflections at 7.3, 18.1, and 24.1 degrees 2θ, plus or minus 0.2 degrees 2θ;
wherein the solid form is a zwitterionic hydrate characterized by an X-ray diffraction pattern having 2θ-reflections at 10.2, 15.4, 19.7, and 23.1 degrees 2θ, plus or minus 0.2 degrees 2θ; or
wherein the solid form is amorphous, having an X-ray diffraction pattern substantially as shown in FIG. 10.
|