Levetiracetam, 50mg

Anions Mix

1,2,3,4,6-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Phthalic acid, di-n/iso-C7-11-alkyl esters, 100µg/ml in Isooctane, 5ml