Perfluorooctanesulfonic acid, 100µg/mL in MeOH,1ml

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

cis-Hydroxy Praziquantel, 5mg

2-Mercapto-4,5,6,7-d4-benzimidazole, 5mg