1,2,4-Trichlorobenzene, 100 µg/ml, n-Hexane, 5ml

(±)-Fipronil,100 µg/mL,acetonitrile,1mL,

Sulfamerazine,neat,neat,250mg,

17?(H),21?(H)-(22RS)-Trishomohopane,100 µg/mL,isooctane,1mL,