Diflubenzuron, 100 µg/ml, Acetonitrile, 5ml

Metalaxyl, 100 µg/ml, Acetonitrile, 5ml

4-Dimethylaminoazobenzene

2,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane