D7-Metoprolol tartrate, 10mg

Azoxystrobin, 100 µg/ml, Ethyl acetate, 5ml

Dinotefuran-n-desmethyl, 10mg

Custom mix of dibenzothiophenes 10 components, each 100µg/mL in toluene 0884.12 Dibenzothiophene 0887.13 4-Methyldibenzothiophene 0886.13 2-Methyldibenzothiophene 0915.14 4,6-Dimethyldibenzothiophene 0449.14 2,8-Dimethyldibenzothiophene 0925.14 2,3-