1 2 3 7 8 8a hexahydronaphthalene July 8, 2019 16 32 64 128 6 7 dimethyl 1 2 3 5 8 8a hexahydronaphthalene Naphthalene 1 2 3 5 6 8a-hexahydro-4 7-dimethyl-1-(1-methylethyl)- (1s-cis)- Naphthalene 1 2 4a 5 6 8a-hexahydro-4 7-dimethyl-1-(1-methylethyl)- 1 2 3 5 6 7-hexahydronaphthalene 1 8 naphthalic anhydride
