Patent ID: 9540328
Date: 2017-01-10
CPC Classifications: A61P,C07C,C07D

Claim:
1. A salt that is (−)-(2R,3S)-2-amino-3-hydroxy-3-pyridin-4-yl-1-pyrrolidin-1-yl-propan-1-one (L)-(+) tartrate salt in crystalline form and having an X-ray powder diffraction spectrum with peaks expressed in degrees (2θ) at approximately 7.61, 7.89, 12.97, 13.50, 15.13, 15.19, 15.38, 16.23, 16.71, 16.83, 17.05, 19.76, 20.14, 20.43, 20.76, 21.00, 22.77, 22.86, 23.07, 23.66, 24.58, 24.90, 25.11, 25.35, 25.63, 25.83, 26.33, 27.09, 28.08, 30.71, 31.02, 31.72, 33.00 and 34.15.