Table 1.
The structure of FCF and its newly derived analogs.
| Name | Structure | Name | Structure |
|---|---|---|---|
| FCF |  |
UR214-6 |  |
| UR214-1 |  |
UR214-7 |  |
| UR214-2 |  |
UR214-8 |  |
| UR214-3 |  |
UR214-9 |  |
| UR214-4 |  |
UR214-10 |  |
| UR214-5 |  |
UR214-11 |  |
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