Corrosion Inhibition of Mild Steel in Acidic Media by 5′-Phenyl-2′,4′-dihydrospiro[indole-3,3′-pyrazol]-2(1H)-one

Figure 1

Molecular structure of 5′-phenyl-2′,4′-dihydrospiro[indole-3,3′-pyrazol]-2(1H)-one.

(a)

(b)