|
|
|
Figure 5
The synthesis of 5-amino-5′-bromo-2′-oxo-2,3-dihydro-1H-spiro[imidazo[1,2-a]pyridine-7,3′-indoline]-6,8-dicarbonitrile by a reported procedure (Magerramov et al., 2018 ). |
|
|
|
Figure 5
The synthesis of 5-amino-5′-bromo-2′-oxo-2,3-dihydro-1H-spiro[imidazo[1,2-a]pyridine-7,3′-indoline]-6,8-dicarbonitrile by a reported procedure (Magerramov et al., 2018 ). |