(±)-Bisoprolol-d7 Hemifumarate (iso-propyl-d7)

2,3,7,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene

Anthraquinone

2,2',3,3',4,5,6,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene