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Some characterization data of the prepared compounds
| Compound | M.P. (°C) | Yield (%) | Analysis (%) | ||
|---|---|---|---|---|---|
| Found (Calculated) | |||||
| C | H | N | |||
| IIIa | 242.5-243.2 | 89 | 68.95 (68.83) | 6.48 (6.60) | 11.54 (11.47) |
| IIIb | 254.5-255.7 | 94 | 64.44 (64.60) | 6.54 (6.20) | 10.95 (10.76) |
| IIIc | 194.0-195.5 | 92 | 63.72 (63.40) | 5.66 (5.73) | 11.72 (11.38) |
| IIId | 254.8-255.2 | 90 | 54.95 (55.17) | 4.33 (4.24) | 16.41 (16.09) |
