1 2 3 4-tetrahydro-5-(1-phenylethyl) naphthalene July 8, 2019 16 32 64 128 Naphthalene 1 2 3 4-tetrahydro-1-phenyl Naphthalene 1 2 3 4-tetrahydro- Naphthalene 1 2 3 4-tetrahydro-1-methyl- Naphthalene 1 2 3 4-tetrahydro-2 5 8-trimethyl- Naphthalene 1 2 3 4-tetrahydro-2-methyl-