Table 2. The mass solubility of different forms in DMF, DMSO and DMAC at 20°C.

	Form α (g/g)	Form β (g/g)	Form γ (g/g)
DMSO	0.1984 ± 0.0002	0.2379 ± 0.0003	0.1943 ± 0.0002
DMF	0.07553 ± 0.00005	0.08980 ± 0.00004	0.06844 ± 0.00003
DMAC	0.1023 ± 0.0003	0.1267 ± 0.0002	0.09843 ± 0.00002