Sulfamethazine, 250mg

2-Amino-2-methyl-1-propanol,1000 µg/mL,MeOH,1mL,

1,2,4,5,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

Cefazolin sodium salt, certified, 0.1g