Calycosin-7-O-beta-D-glucoside, >98%, 20mg

D6-N-Nitrosodimethylamine, 10mg

cis-1,2-Dichloroethylene, 100µg/ml in MeOH, 5ml

1,2,3,5,7-Pentachloronaphthalene, 1.2ml x 50ug/ml, nonane