1,1'-Spirobi[1H-indene]-5,5',6,6'-tetrol, 2,2',3,3'-tetrahydro-3,3,3',3'-tetramethyl- 1,1'-Spirobi[indan]-5,5',6,6'-tetrol, 3,3,3',3'-tetramethyl- 1,1'-Spirobi[indane-5,6-diol], 3,3,3',3'-tetramethyl- 77-08-7 NSC82063 TTS 5