Anthraquinone

2,2',3,3',4,4',6,6'-Octabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

1,4,6-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

Naphthalene, 100 µg/ml, Cyclohexane, 1ml