Sulfamethazine, 100μg/mL in Acetonitrile, 1ml

(4R,4aR,7S,7aR,12bS)-9-Methoxy-3-methyl-2,3,4,4a,7,7a-hexahydro-1H-4,12-methano-benzofuro[3,2-e]isoquinolin-7-ol hydrochloride

Bacitracin, 250mg

2,4-Dibromophenol, 250mg