Table 2.

Aromatase inhibitors’ activities of compounds 1–14, 17 and 20.

Compound	IC50 (µM)
1	0.00913
2	0.00724
3	0.00635
4	0.00566
5	0.00454
6	0.00342
7	0.00253
8	0.00144
9	0.00233
10	0.00142
11	0.00033
13	0.00024
14	0.00093
17	0.00084
20	0.00064
Letrozole	0.00280