Metazachlor, 10 µg/ml, Cyclohexane, 10ml

N-Desmethyl-cis-tramadol.HCl, 10mg

1,6-Dichloronaphthalene,50 µg/mL,isooctane,1mL,

2-Ethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 8916-98-8