Not official USP-NF text
METHYLPREDNISOLONE ACETATE
PF	LGS#	Brand	Type of Test	Additional Information
0(0)	L3	ZORBAX Rx-SIL	Assay	25 cm x 4.6 mm, 5 µm.
9(5)	L3	MicroPorasil	Assay	NULL
24(1)	L1	Hypersil C18	Chromatographic purity	NULL