5 5 8 8-tetramethyl-1-decyne July 8, 2019 16 32 64 128 5 5 8 8 tetramethyl 1 decyne 1 4 7 -cycloundecatriene 1 5 9 9-tetramethyl- z z z 8 8 9 9-tetramethyl-3 4 5 6 7 8-hexahydro-2h-2 4a-methanonaphthalene 1 4 8-cycloundecatriene 2 6 6 9-tetramethyl- (e e e)- 1 4 5 8-tetramethylnaphthalene
