Roxithromycin-d7, 2,5mg

2,3,6,7-Tetrachloro[13C12]biphenylene, 1.2ml x 50ug/ml, nonane

Terbumeton, 10.0 µg/ml, Methanol, 10ml

Sodium(1H,1H,2H,2H-perfluorooctyl-1H,1H,2H,2H-perfluorodecyl)phosphate, 50µg/ml in MeOH, 1,2ml