(2,2'-Bi-1H-indene)-1,1',3,3'(2H,2'H)-tetrone, 2,2'-dihydroxy- (2,2'-Biindan)-1,1',3,3'-tetrone, 2,2'-dihydroxy- (8CI) 2,2'-Dihydroxy-(2,2'-biindan)-1,1',3,3'-tetrone 2,2'-Dihydroxy-2,2'-biindan-1,1',3,3'-tetraone 5103-42-4 EINECS 225-823-4 HYDRINDANTIN NSC 83617