Tris(2-butoxy-[13C2]-ethyl) phosphate, 1.2ml x 50ug/ml, toluene

Dimethyl terephthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Ampicillin, 1g

EPA Method 533 Native Primary Std (br/l mix), 500ng/ml in MeOH, 1,2ml