3 7 11 trimethyl 1 3 6 10 dodecatetraene July 8, 2019 16 32 64 128 1 3 6 10 dodecatetraene 3 7 11 trimethyl z e )- 3 7 11-trimethyl-1 6 10-dodecatrien-3-ol 3 7 11-trimethyl-2 6 10-dodecatrien-1-ol 3 3 7-trimethyloctane structure 1 3 7-trimethyl-2 3 6 7-tetrahydro-1h-purine-2 6-dione 1 3 7-trimethyl-3 4 5 7-tetrahydro-1h-purine-2 6-dione