Table 2.
The chemical and physical properties of investigated inhibitors
| Inhibitor code | Molecular structures | Chemical properties |
|---|---|---|
| HM-1221 |  |
F.wt. = C18H16N2O7 |
| M.wt = 372.33 | ||
| Yield = 69% | ||
| Shape: Red powder | ||
| M.P. = 296–298 | ||
| HM-1222 |  |
F.wt. = C18H16N2O6S |
| M.wt = 388.39 | ||
| Yield = 78% | ||
| Shape: Dark Red powder | ||
| M.P. = 280–282 | ||
| HM-1223 |  |
F.wt. = C22H24N2O6S |
| M.wt = 444.50 | ||
| Yield = 73% | ||
| Shape: Reddish brown powder | ||
| M.P. = 178–179 | ||
| HM-1224 |  |
F.wt. = C20H20N2O7 |
| M.wt = 400.39 | ||
| Yield = 71% | ||
| Shape: Orange powder | ||
| M.P. = 240–242 |