Table 2.

Effect on cyclooxygenase-1 activity

Compound	COX-1 activity
	IC50 ± S.E.M (μM)a
3	2.2 ± 0.7
4	12.1 ± 2.3
7	1.3 ± 0.5
8	6.5 ± 0.2
9	8.1 ± 1.7

^a n = 3-4 in all experiments.