Hydroxychloroquine sulfate,1000 µg base/mL,MeOH,1mL,

Propachlor OA, 100 µg/ml, Acetonitrile, 1ml

Fluoranthene-d10, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 93951-69-0

Roxithromycin-d7, 1mg