2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

n-Butyl iso-pentyl phthalate (n-Butyl 3-methylbutyl phthalate), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 144648-76-0

1-(4-Isopropylphenyl)urea, 100 µg/ml, Acetonitrile, 1ml

Senecionine,50 µg/mL,dried down,1mL,