Cai, Yaqi published the artcileStudies on flow injection analysis of platinum metals. III. Ruthenium(III)-potassium periodate (KIO4)-α-naphtholphthalein system, Name: 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one, the publication is Fenxi Huaxue (1989), 17(3), 213-16, 212, database is CAplus.
A method was developed for the determination of trace Ru(III) by flow-injection anal. based on the catalytic effect of Ru(III) on the oxidation of α-naphtholphthalein with KIO4 in borate buffer (pH 9-11.5). The decoloration was monitored. The proposed method is rapid, simple, and sensitive. The detection limit for Ru(III) is 0.010 μg/mL and 65 determinations can be achieved in 1 h. The method was applied to determine Ru in refined ores and slags; good results were obtained.
Fenxi Huaxue published new progress about 596-01-0. 596-01-0 belongs to benzofurans, auxiliary class Benzofuran,Naphthalene,Alcohol,Ester, name is 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one, and the molecular formula is C28H18O4, Name: 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one.
Referemce:
https://en.wikipedia.org/wiki/Benzofuran,
Benzofuran | C8H6O – PubChem