Carbendazim D4 (ring),

5-Methyl-1H-benzotriazole, 1000μg/ml in MeOH, 1ml

Acetaminophen-13C2, 15N, 1mg

Clozapine, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 5786-21-0