Medroxyprogesterone 17-acetate, 250mg

2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

3-Methylphenol, 100 µg/ml, Acetonitrile, 1ml

1,1,1-Trichloro-2,2-bis[4-chloro(13C6)phenyl]ethane, 1.2mL x 100ug/mL, nonane