Theophylline, 100µg/ml in MeOH, 5ml

Indeno(1,2,3-cd)pyrene, 1000µg/ml in Acetonitrile,

Ethametsulfuron-methyl, 100mg

Dibenz[a,h]anthracene-d14, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 13250-98-1