3,5-Dinitrotoluene, 100µg/ml in MeOH, 5ml

Atrazine-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,

Theobromine, 100mg

4-Isobutylbenzoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 38861-88-0