Metformin-d6 HCl, 1000µg/ml in MeOH, 1ml

1-(3,4-Dichlorophenyl)-3-methylurea, 10.0 µg/ml,

(E)-Metominostrobin, 100µg/ml in Acetonitrile, 5ml

2,4'-DDT-d8, 100µg/ml in Isooctane, 1ml