Inhibition of dynamin I lipid-stimulated GTPase activity (IC₅₀^a (μM)) by analogues 16, 19 and 24–26.

Compound	Structure	Dynamin I IC50a (μM)
16		38.2 ± 6.0
19		7.0 ± 0.8
24		96.8 ± 13.1
25		30.1 ± 9.7
26		>300b

^aIC₅₀ and 95% CI of triplicates, n = 1;

^bLess than 50% inhibition at 300 μM drug concentration.