Patent ID: 8822674

Claim:
A crystal of an ethanolate of (1S)-1,5-anhydro-1-[5-(4-{(1E)-4-[(1-{[2-(dimethylamino)ethyl]amino}-2-methyl-1-oxopropan-2-yl)amino]-3,3-dimethyl-4-oxobut-1-en-1-yl}benzyl)-2-methoxy-4-(propan-2-yl)phenyl]-D-glucitol having physical properties (a) to (c) mentioned below: (a) Having peaks at 2θ=5.9 degrees, 17.1 degrees, 17.6 degrees and 21.5 degrees in X-ray powder diffraction (Cu—Kα); (b) Showing characteristic absorption bands at 3538 cm −1 , 3357 cm −1 , 2964 cm −1 , 1673 cm −1 , 1634 cm −1 and 1505 cm −1 in an infrared absorption spectrum; and (c) Having a melting point in a vicinity of 111° C.