Atenolol, 100 µg/ml, Acetonitrile, 5ml

Isopropylated trisphenyl phosphate (techn.); A detailed analytical certificate stating the degree of isopropylation is included,neat,neat,1g,

2,2',3,3',5,5',6,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

Glycolic acid (C2H4O3)