. 2017 Jan 18;32(1):345–354. doi: 10.1080/14756366.2016.1252758

Table 1.

Inhibitory effect of selected compounds on XO.

Compound	IC₅₀ (μM)	K_i (μM)	Inhibition mode
1	16.1 ± 0.7	0.9 ± 0.25	Competitive
2	335 ± 17	53.0^a	Competitive^a
3	259 ± 13	–	–
4	1126 ± 22	No inhibition^a	–^a
Allopurinol	22.4 ± 0.2	1.9 ± 1.0	Competitive

Data obtained from Flemmig et al.⁵².