2,3,5,6-Tetrachloroterephthalic acid

Isopropylated trisphenyl phosphate (techn.); A detailed analytical certificate stating the degree of isopropylation is included,100 µg/mL,isooctane,1mL,

2,3,6-Trimethylnaphthalene

Diisononyl phthalate, 1000µg/ml in MeOH, 1ml