13C6-Amoxicillin, 100µg/ml in Acetonitrile, 1ml

Clothianidin, 1000µg/ml in MeOH, 1ml

2,2',3,3',4,5,6,6'-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Arachidonic acid (5,8,11,14 all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-32-1