Neo Spiramycin I, 100 µg/ml, Methanol, 1ml

Chromium (Cr), 1µg/ml in 2%-HNO3/Water, 4 x 25ml

5-Methoxy-2-benzimidazolinone,neat,neat,100mg,

4-Methoxy-2',3,5,5'-tetrachlorobiphenyl, 100µg/ml in IO, 1ml