REAGENTS FOR THE QUANTITATION OF ACTIVE OXYGEN

摘要

A compound represented by general formula (I) or (II) or a salt thereof and an agent for measurement of a reactive oxygen comprising said compound or a salt thereof: <CHEM> <CHEM> wherein R<1> and R<2> independently represent an aryl group which may be substituted, e.g., a phenyl group substituted with an amino group or a hydroxy group, and R<3> represents a 2-carboxyphenyl group which may be substituted.