(S)-(+)-Pregabalin-d4 (aminomethyl d2; hexanoic acid-2,2-d2)

Heptachlor-endo-epoxide (trans-, isomer A), 10µg/ml in CY, 10ml

1,2,5,6-Tetramethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-43-3

13C2,15N2-Metronidazole, 10mg