Figure 6:
N-aryl/alkylidene-4-(1, 3-dioxo-1,3-dihydro-2H isoindol-2-yl) butanoylhydrazides/ butanamides(R
1
= 2-CH
3
, 3-Cl, R
2
= 4-CH
3
, 2-CH
3
) [123].
