Benzyl mercaptan, 1ml

sec-Butyl alcohol, 1g

2,3-Dibromopropyl 2,4,6-tribromophenyl ether, 1.2ml x 50ug/ml, toluene

2,2',4,4'-Tetrabromo-6-methoxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane