Secnidazole hydrate, 10mg

Amoxicillin trihydrate, 1000µg/ml in MeOH, 1ml

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

1,5-Dichloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 1825-30-5