Indobufen Impurity 6

Indobufen Impurity 31 Benzene, 1-(1-ethylpropyl)-4-nitro- Indobufen Impurity A Indobufen Impurity 57 Indobufen Impurity 41

Indobufen Impurity 23 Indobufen Impurity 30 Indobufen Impurity 44 ethyl 2-(4-aminophenyl)butanoate Indobufen Impurity 1

Benzeneacetamide, α-ethyl-4-nitro- 2-(((4-(1-carboxypropyl)phenyl)amino)methyl)benzoic acid 4-Nitrophenylacetic acid 2-(2,4-Dinitrophenyl)butanoic Acid Benzeneacetic acid, 4-(1,3-dihydro-1-oxo-2H-isoindol-2-yl)-α-ethyl-, ethyl ester

5-(2-Chloro-acetyl)-2-hydroxy-benzoic acid methyl ester Benzeneacetic acid, 4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-α-ethyl-, ethyl ester 2-[4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)phenyl]butyric acid