Patent ID: 8344145

Claim:
A camphorsulfonic acid salt of 2-(n-propyl)quinoline, in the crystalline form, characterized by the presence of the following peaks in the X-ray diffraction spectrum, measured on a diffractometer in theta-theta configuration, equipped with a copper anticathode and expressed in terms of interlattice distances d, of Bragg 2-theta angle and of relative intensity: Interlattice Relative 2-Theta distance d intensity angle (°)* (angström)** (%)*** 4.463 19.78297 79.1 12.975 6.81756 89.3 14.223 6.22226 49.6 14.407 6.14309 100 17.02 5.20542 56.7 22.586 3.93359 71.4. *values ± 0.2° **values ± 0.2 Å ***values ± 0.5%