D4-Thiacloprid, 100 µg/ml, Acetonitrile, 1ml

Caffeine, 1000µg/ml in MeOH, 1ml

4,4'-(1,4-Phenylenediisopropylidene)bisphenol, 1.2ml x 50ug/ml, methanol

2,4-Dichlorobiphenyl (BZ-8)