1,1',3,3'-Tetrahydro-1,1,1'1',3,3,3',3'-octamethyl-2,2'-bi-2H-indenyliden

1,1,3,4-四甲基-2-茚酮

(1,1,3,3-tetramethylinden-2-ylidene)hydrazine

1,1,3,3-tetramethyl-2-indanone triphenyl-phosphoranylidenehydrazone

1,1,3,3,-Tetramethyl-2-indanselon-Radikalanion