Bis(4-hydroxyphenyl) sulfone, 1.2ml x 50ug/ml, methanol

3,3',5,5'-Tetrabromobisphenol-A [rings; 13C12], 50µg/ml in MeOH, 1,2ml

Mephosfolan, 100 µg/ml, Cyclohexane, 5ml

2-Propylphenol, 1000mg