Cybutryne, 100 µg/ml, Acetonitrile, 1ml

Decachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Vitamin D2 ,neat,neat,500mg,

Bis(3-isopropylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene