Table 5.
Structures and inhibitory activities of compounds 59–72.a
![]() | ||||
|---|---|---|---|---|
| Compd. | R2 | R5 | R6 | IC50 (μM) |
| 59 | ![]() |
![]() |
![]() |
0.68 |
| 60 | ![]() |
![]() |
![]() |
3.3 |
| 61 | ![]() |
![]() |
![]() |
1.8 |
| 62 | ![]() |
![]() |
![]() |
0.53 |
| 63 | ![]() |
![]() |
![]() |
6.1 |
| 64 | ![]() |
![]() |
![]() |
1.8 |
| 65 | ![]() |
![]() |
![]() |
1.3 |
| 66 | ![]() |
![]() |
![]() |
0.40 |
| 67 | ![]() |
![]() |
![]() |
2.3 |
| 68 | ![]() |
![]() |
![]() |
5.3 |
| 69 | ![]() |
![]() |
![]() |
0.79 |
| 70 | ![]() |
![]() |
![]() |
1.1 |
| 71 | ![]() |
![]() |
![]() |
18.5 |
| 72 | ![]() |
![]() |
![]() |
4.7 |
Standard errors of all IC50 values are less than 30%.










































