Naphthalene 1 2 3 4-tetrahydro-2 7-dimethyl- July 8, 2019 16 32 64 128 Naphthalene 1 2 3 4 tetrahydro 2 7 dimethyl Naphthalene 1 2 3 4-tetrahydro-2-methyl- Naphthalene 1 2 3 4-tetrahydro-1 6-dimethyl-4-(1-methylethyl)- (1s-cis)- Naphthalene 1 2 3 4-tetrahydro-1-methyl- Naphthalene 1 2 3 4-tetrahydro-2 5 8-trimethyl-