NOVEL INDAZOLE DERIVATIVE OR SALT THEREOF AND PRODUCTION INTERMEDIATE THEREFOR, AND ANTIOXIDANT USING SAME, AND USE OF INDAZOLE DERIVATIVE OR SALT THEREOF

摘要

Disclosed are: the compound represented by formula (1) or a salt thereof; and a manufacturing intermediate therefor. Said compound exhibits excellent antioxidant activity in a microsomal lipid peroxidation measurement system using rat-liver microsomes. Said compound, or a salt thereof, is useful as an antioxidant. Also disclosed is a use for the compound represented by formula (1), or a pharmacologically permitted salt thereof, for manufacturing an antioxidant.