Table 2. Stability Data for Form I and Form II.

		time
crystal form	test condition	0 days	30 days
Form II	60 °C	PXRD/Form II chemistry purity: 99.65%	PXRD/Form II purity: 99.19%
	92.5% RH		PXRD/Form II purity: 99.32%
	4500 lux		PXRD/Form II purity: 98.75%
Form I	60 °C	PXRD/Form I chemistry purity: 99.72%	PXRD/Form I purity: 99.35%
	92.5% RH		PXRD/Form I purity: 99.38%
	4500 lux		PXRD/Form I purity: 98.69%