Lenacil, 100µg/mL in Acetonitrile, 1ml

Tetradifon, 100 µg/ml, Acetonitrile, 5ml

D-(+)-Arabitol

g-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane