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Substituted on R and R’ position.
| Compound | R | R’ |
|---|---|---|
| 2a | 3,4-Dichloroaniline | P-Ethoxy benzaldehyde |
| 2b | 2,3-Dichloroaniline | 2-Chloro benzaldehyde |
| 2c | P-Chloroaniline | 2-Nitro benzaldehyde |
| 2d | 2,3-Dichloroaniline | 4-Fluoro benzaldehyde |
| 2e | 2,3-Dichloroaniline | 3-Methoxy benzaldehyde |
| 2f | 2-Chloroaniline | 2-Bromo benzaldehyde |
| 2g | 3-Nitroaniline | 2,3-Dichloro benzaldehyde |
| 2h | P-Toluidine | P-Methoxy benzaldehyde |
