2-(7-bromo-2,2,4,6-tetramethyl-2,3-dihydro-1H-inden-5-yl)ethan-1-ol

8-bromo-4,4-dimehyl-1,6-octadiyne

2,2,4,6-tetramethylindan-5-carbaldehyde

2,2,4,6-tetramethylindan-5-methanol

ethyl 2,2,4,6-tetramethyl-2,3-dihydro-1H-indene-5-carboxylate