Table 2.

hCA I, II, IX, and XII inhibition data with compounds 2, 2a, 2b, 7, and 7a.

	KI (µM)c
Compound	hCA I	hCA II	hCA IX	hCA XII
2	0.086	0.101	0.097	0.090
2a	0.002a	0.0013a	0.063a	0.008
2b	0.013b	0.012b	0.071	0.014
7	324	93.2	3.67	11.2
7a	720	110	10.1	2.81

^aFrom ref.^43a

^bFrom ref.^43b

^cErrors in the range of ±5% of the reported data from three different assays.