Pentachlorobenzene,100 µg/mL,cyclohexane,1mL,

1,2,3,4,6,7,8-Heptachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Seneciphylline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 480-81-9

EPA Method 515.2Methyl Derivatives