Global Catechol (CAS 120-80-9) Market By Type (O-Dichlorobenzene Method , O-Chlorophenol Method , and Phenol Hydroxylation), By Application (Agrochemicals , Anticorrosion agent , Intermediates for perfumes , and Catalysts), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029