(Dihydroxy-3,4 phenyl)-2 hydroxy-2 indanedione-1,3 [French] 1H-Indene-1,3(2H)-dione, 2-(3,4-dihydroxyphenyl)-2-hydroxy- 2-(3,4-Dihydroxyphenyl)-2-hydroxy-1H-indene-1,3(2H)-dione 75840-14-1 BRN 5571856