Ethynylestradiol (20,21-13C2,99%) 100 µg/mL in Acetonitrile, 1,2ml

4-Nonylphenol diethoxylate, mixture of nonylisomers,100 µg/mL,isooctane,1mL,

2,4-Dimethylaniline, neat, Solvent-neat, Unit 1ML, # of units-1, Cas.no. 95-68-1

13C6-Oxyphenbutazone, 10mg