trans-Cypermethrin D6 (dimethyl D6), 100 ng/µl, 1.1ml

5-Methyl-2-furfural

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL in Isooctane, 1ml

3,3'-Dimethylbenzidine, 100 µg/ml, Acetonitrile,