Napropamide, 100mg

1,1,1-Trichloroethane, , , 0.5ml

2,2',3,3',4,4',6,6'-Octabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone, 50mg