1,11-(methanothiomethano)-5H,7H-dibenzo[b,g][1,5]dithiocin

8,11b-methanocyclodecanaphthalene

6-methoxy-4-(2-methylamino-ethyl)-phenanthrene-1,5-diol

biphenyl-2,6-diyldi-acetic acid

1,3,6,8-四氯芘