Check std, BTX, IBMA, di-octyl phth 10pk

Levofloxacin,neat,neat,10mg,

Demeton-S-methyl, 100 µg/ml, Toluene, 1ml

2,3,4,5-Tetrachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene