D4-2-Chlorophenol, 100 µg/ml, Acetone, 1ml

(R)-(-)-Metalaxyl-d6, 100µg/ml in Acetonitrile, 1ml

2,2',3,3',5,5',6,6'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

1,1-Dichloropropanone-2