1 4 8-cycloundecatriene 2 6 6 9-tetramethyl- (e e e)- July 8, 2019 16 32 64 128 1 4 7 -cycloundecatriene 1 5 9 9-tetramethyl- z z z (1s 2e 6e 10r)-3 7 11 11-tetramethylbicyclo 8.1.0 undeca-2 6-diene 2 6 10-cycloundecatrien-1-one 2 6 9 9-tetramethyl- (e e e)- 2 3 5 9-tetramethylbicyclo 4.4.0 decane