Prothiofos, 10.0 µg/ml, Ethyl acetate, 10ml

1,2,3,4,5-Pentachloro[13C6]benzene, 1.2ml x 100ug/ml, isooctane

(+)-(S)-Chlorpheniramine maleate,neat,neat,10mg,

9-Carboxynonylpyridium bromide,neat,neat,10mg,