Aztreonam, 50mg

Pencycuron, 100 µg/ml, Acetonitrile, 5ml

2 alpha,17 alpha(H),21ß(H)-2-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 126208-29-7

N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,neat,neat,100mg,