Foramsulfuron, 10.0 µg/ml, Acetonitrile, 10ml

1,1-Dichloro-2,2-bis[4-chloro(13C6)phenyl]ethane, 1.2mL x 100ug/mL, nonane

Ametryne, 100µg/ml in Acetonitrile, 1ml

3-Methylbutane-1,2,3-tricarboxylic Acid, 1g