1,1,4,4,7-pentamethyl-3H-naphthalen-2-one

1,1,4,4,7-pentamethyl-2-hydroxy-1,2,3,4-tetrahydronaphthalene

5,6,7,8-tetrahydro-3,5,5,8,8-pentamethylnaphthalene-1-carbaldehyde

1,1,4,4,5,7-hexamethyl-2,3-dihydronaphthalene

间二甲苯