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

3,4-Dimethylphenol, 100 µg/ml, Methanol, 5ml

Progesterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-83-0

Hydrazine