2,3,3',4'-Tetrachlorobiphenyl (56)

Isoproturon D6 (dimethyl D6), 100 ng/µl, 1.1ml

Methoxychlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 72-43-5

Trigonelline-d3 (methyl-d3)