Paclitaxel,100 µg/mL,acetonitrile,1mL,

3,3',4,5'-Tetrabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Naphthalene, 10 µg/ml, Cyclohexane, 10ml

2-Ethylhexyl 2,3,4,5-tetrabromobenzoate, 1.2ml x 50ug/ml, toluene