Isopropyl Hydrogen Methylphosphonate, 500mg

2,2',3,3',5,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

Vitamin B2, 100µg/ml in Acetonitrile, 5ml

Methyl sulfide, 1000µg/ml in MeOH, 1ml