Table 1

Stress condition	Peak Purity			Single point threshold			% degraded (both Metformin and sulfonylurea)
Stress condition	GPZ	GBD	GMD	GPZ	GBD	GMD	GPZ	GBD	GMD
Light	1.0000	1.0000	1.0000	0.9999	0.9999	0.9999	Nil	Nil	Nil
Heat	1.0000	1.0000	1.0000	0.9999	0.9999	0.9999	Nil	Nil	Nil
Acid	1.0000	1.0000	1.0000	0.9999	0.9999	0.9999	0.71	1.94	0.05
Base	1.0000	1.0000	1.0000	0.9999	0.9999	0.9999	0.51	0.50	1.67
Oxidation	1.0000	1.0000	1.0000	0.9999	0.9999	0.9999	25.86	38.0	27.0

Table 1: Results of Forced degradation study of GPZ, GBD and GMD.