Metamitron, 10 µg/ml, Acetonitrile, 10ml

1H,1H,2H,2H-Perfluoro-n-octyl acrylate-d3,50 µg/mL,MeOH,1mL,

2,3,3',4,4'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Octafluoronaphthalene, 100mg