Isoproturon, 10.0 µg/ml, Acetonitrile, 10ml

Descarbamoylneosaxitoxin,29.4 µM,water/HCl,0.5mL,

N-Nitrosodipropylamine-d14, 5mg

2,3,3',4,4'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane