Difenoconazole, 100 µg/ml, Ethyl acetate, 5ml

Formaldehyde-DNPH Level 3 (1.0ug/mL)

4,4'-Diisocyanato-3,3'-dimethylbiphenyl

Metazachlor ethane sulfonic acid, 100µg/ml in Acetonitrile, 1ml