CPC C07D 403/10 (2013.01) [C07B 2200/13 (2013.01)] | 6 Claims |
1. A crystalline form of 1,1,1,3,3,3-hexafluoropropan-2-yl 4-(2-(pyrrolidin-1-yl)-4-(trifluoromethyl)benzyl)piperazine-1-carboxylate free base, wherein the crystalline form of 1,1,1,3,3,3-hexafluoropropan-2-yl4-(2-(pyrrolidin-1-yl)-4-(trifluoromethyl)benzyl)piperazine-1-carboxylate free base has an X-ray powder diffraction (XRPD) pattern with characteristic peaks at 7.8° 2-Theta, 12.0° 2-Theta, 18.5° 2-Theta, 19.0° 2-Theta, 19.6° 2-Theta and 21.2° 2-Theta.
|