Thiamine mononitrate, 250mg

1,1,1-Trichloro-2,2-bis[4-chloro(13C6)phenyl]ethane, 1.2mL x 100ug/mL, nonane

WS Organic Drinking Water Kit

N-Nitroso-N-methylaniline, 100μg/ml in MeOH, 5ml