Keyword(s)
Tetrakis(3,4,4,5-tetramethyl-2,5-cyclohexadien-1-ylidene)cyclobutane, 1,2,3,4-Tetrakis(3,4,4,5-tetramethyl-2,5-cyclohexadien-1-ylidene)cyclobutane, 1,5,6,6-Tetramethyl-3-[2,3,4-tris(3,4,4,5-tetramethyl-2,5-cyclohexadien-1-ylidene)cyclobutylidene]-1,4-cyclohexadiene #
IUPAC
1,5,6,6-tetramethyl-3-[2,3,4-tris(3,4,4,5-tetramethylcyclohexa-2,5-dien-1-ylidene)cyclobutylidene]cyclohexa-1,4-diene