P450-RRI catalyzes the O-dealkylation of 2-ethoxyphenol and 2-methoxyphenol to produce catechol. The cytochrome binds other ortho-substituted phenols, including 2-ethoxyphenol, 2-methylphenol and 2-chlorophenol. By 2-ethoxyphenol. Belongs to the cytochrome P450 family.