Pyrazosulfuron-ethyl, 100mg

16?-Hydroxy-17ß-estradiol-2,4-d2,neat,neat,10mg,

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)

1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone, 50mg