英文别名2-hydroxy-2-(2-hydroxy-1,3-dioxoinden-2-yl)indene-1,3-dione; [2,2'-Bi-1H-indene]-1,1',3,3'(2H,2'H)-tetrone, 2,2'-dihydroxy-; 2,2',3,3,3',3'-Hexahydroxy-2,2'-biindan-1,1'-dione; 2,2'-Dihydroxy-1H,1'H-[2,2'-biindene]-1,1',3,3'(2H,2'H)-tetraone; 2,2'-Dihydroxy-2,2'-bi[1H-indene]-1,1',3,3'(2H,2'H)-tetrone; Reduced ninhydrin; 2-hydroxy-2-(2-hydroxy-1,3-diketo-indan-2-yl)indane-1,3-quinone; Hydrindantin (reduced form of ninhydrin); 2,2'-Dihydroxy-(2,2'-biindan)-1,1',3,3'-tetrone; 2,2'-Dihydroxy-1H,1'H-2,2'-biindene-1,1',3,3'(2H,2'H)-tetrone; 2,2'-Dihydroxy-[2,2'-biindan]-1,1',3,3'-tetrone; 2,2'-Dihydroxy-[2,2'-bi-1H-indene]-1,1',3,3'-(2H,2'H)-tetrone; Hydrindantin anhydrous 
