Percentage levels of degradation of indapamide and dihydralazine under high temperature/high humidity and UV/VIS light.

Conditions	Level of degradation [%]
	Indapamide		Dihydralazine
	Individual	Mixture	Individual	Mixture
Degradation in a solid state
70 °C/80% RH	1.05	14.69	21.68	26.15
1ICHa	1.76	1.87	1.45	5.98
3ICHa	3.86	3.95	8.62	23.14
6ICHa	7.15	8.23	25.78	48.76
Degradation in solutions
1ICHa	17.52	17.97	2.78	21.08
3ICHa	32.38	34.15	12.98	41.15
6ICHa	67.16	69.88	100.0	100.0

^a1ICH = 18 902 kJ m⁻²; 3ICH = 56 706 kJ m⁻²; 6ICH = 113412 kJ m⁻².