| CPC C07D 409/12 (2013.01) [C07B 2200/13 (2013.01)] | 15 Claims |
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1. A crystal form of a salt of the compound of formula Ic-1
![]() wherein the crystal form of the salt is selected from the group consisting of:
(a) a crystal form A of the hydrochloride salt of a compound of formula Ic-1,
wherein the X-ray powder diffraction pattern of the crystal form A of the hydrochloride salt has characteristic peaks at 2θ angles of 18.27±0.2°, 21.27±0.2°, and 22.89±0.2°;
(b) a crystal form B of the maleate salt of a compound of formula Ic-1,
wherein the X-ray powder diffraction pattern of the crystal form B of the maleate salt has characteristic peaks at 2θ angles of 19.23±0.2°, 24.04±0.2°, and 24.70±0.2°;
(c) a crystal form C of the oxalate salt of a compound of formula Ic-1,
wherein the X-ray powder diffraction pattern of the crystal form C of the oxalate salt has characteristic peaks at 2θ angles of 14.64±0.2°, 22.05±0.2°, and 25.61±0.2°;
(d) a crystal form D of the mucate salt of a compound of formula Ic-1,
wherein the X-ray powder diffraction pattern of the crystal form D of the mucate salt has characteristic peaks at 2θ angles of 3.79±0.2°, 11.28±0.2°, and 19.48±0.2°;
(e) a crystal form E of the fumarate salt of a compound of formula Ic-1,
wherein the X-ray powder diffraction pattern of the crystal form E of the fumarate salt has characteristic peaks at 2θ angles of 14.17±0.2°, 18.95±0.2°, and 23.76±0.2°;
(f) a crystal form F of the D-glucuronate salt of a compound of formula Ic-1,
wherein the X-ray powder diffraction pattern of the crystal form F of the D-glucuronate salt has characteristic peaks at 2θ angles of 4.77±0.2°, 16.13±0.2°, and 19.53±0.2°.
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