1,2,4,5-tetraethylbenzene

2',3',7',8'-tetrahydro-1'H-spiro[cyclopentane-1,6'-cyclopenta[b]naphthalen]-5'-one

1-(2,4,5-trimethyl-phenyl)-hexadecane

1,2,3,4,7,8,9,10-octahydrotetracene

1,2,3,4,4a,5,7,8,9,10,12,12a-Dodecahydrotetracene