S-Metolachlor, 100mg

Dibenzothiophene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 33262-29-2

D-Xylose, 250mg

2-Hydroxyatrazine, 100µg/mL in MeOH:AC (98:2),1ml