Hexachloro-1,3-butadiene-13C4,neat,neat,10mg,

Pyrene, 100µg/ml in Acetonitrile, 1ml

C27 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5?(H),10ß(CH3)),10 µg/mL,isooctane,1mL,

Iodosulfuron-methyl sodium, 100 µg/ml, Acetonitri