Naphthalene 1 4 5 trimethyl July 8, 2019 16 32 64 128 Naphthalene 1 2 3 4 tetrahydro 1 5 7 trimethyl Naphthalene 1 2 3 4-tetrahydro-1 1 6-trimethyl- Naphthalene 1 2 3 4-tetrahydro-2 5 8-trimethyl- Naphthalene 1 2 3 4-tetrahydro-1-methyl-
