2,3,6,7-tetramethylanthracene-9,10-dione

2,3,6,7-Tetramethyl-1,4-dihydro-anthracen

2,3,6,7-Tetramethyloctahydroanthrachinon

2,3,6,7-Tetramethyl-9,10-epoxy-1,4,4a,9,9a,10-hexahydro-anthracen

2,3,6,7-tetramethylanthrone