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Dibenzo[a,h]pyrene

Dibenzo[a,i]pyrene

Dibenzo[a,l]pyrene

Dibenzothiophene

1,2-Dimethylnaphthalene

1,3-Dimethylnaphthalene

1,4-Dimethylnaphthalene

1,5-Dimethylnaphthalene

1,6-Dimethylnaphthalene

1,7-Dimethylnaphthalene

2,3-Dimethylnaphthalene

2,6-Dimethylnaphthalene

2,7-Dimethylnaphthalene

3,6-Dimethylphenanthrene

1-Ethylnaphthalene

2-Ethylnaphthalene

Indeno[1,2,3-c,d]pyrene

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