Penoxsulam, 100 µg/ml, Acetonitrile, 1ml

4-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride,

Difenoxuron,100 µg/mL,MeOH,1mL,

2,3,7,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene