1 5 9 decatriene 2 3 5 8 tetramethyl July 8, 2019 16 32 64 128 5 9 13-pentadecatrien-2-one 6 10 14-trimethyl- (e e)- 5 5 8 8-tetramethyl-1-decyne 1 4 7 -cycloundecatriene 1 5 9 9-tetramethyl- z z z 2 3 5 8-tetramethyldecane