Forced degradation studies for ISD and HDZ.

Conditions	Drug area		% Drug recovery		% Drug degradation
	ISD	HDZ	ISD	HDZ	ISD	HDZ
Acid	1 251 843	2 234 263	99.434	86.462	0.5654	13.53
Alkali	1 087 853	2 185 874	86.408	84.587	13.591	15.412
Peroxide	1 042 272	2 125 988	82.788	82.270	17.21	17.729
Photo	1 148 252	2 217 951	91.206	85.828	8.793	14.171
Control	1 258 962	2 584 152	100	100	0	0