Table 1.

Physicochemical properties of new nitroimidazole sulfonamide radiosensitiser compounds.

No.	Structure	Purity %	Solubility 1 (mM)	% Stability in αMEM
13		99.6	110	99.3
14		98.9	95.8	98.5
15		99.3	84.3	99.9
16		99.8	83.05	99.9
17		98.4	>101.2	100.0

¹ Solubility in α-MEM culture medium containing 5% foetal calf serum.