Specifications:	In-house standard
Characteristics	White or off-white spherical small pills
Identification	The principal spots in the chromatogram Obtained with test solution and reference are identical in Fluorescent intensity and position.
	Maximum absorbance at 244nm
Related substance	Total impurity  =1.0%
Dissolution Test
After 1 hour	15% ~ 45%
After 2 hours	45% ~ 80%
After 4 hours	>80%
Assay	230 ~ 290mg/g
Packaging:	25 kg/drum