1,2,3,4-Tetrahydro-2,5,8-trimethylnaphthalene 2,5,8-Trimethyl-1,2,3,4-tetrahydronaphthalene 2,5,8-Trimethyltetralin 30316-17-7 NSC80435 Naphthalene, 1,2,3,4-tetrahydro-2,5,8-trimethyl-