Butachlor, 100 µg/ml, Acetonitrile, 5ml

Aldosterone,1000 µg/mL,MeOH,1mL

4,4'-Dichloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

Tribenuron-methyl, 100mg