Pyrazinamide, analytical standard

Flumetsulam, analytical standard

Nitrobenzene 5000 µg/mL in Methanol, analytical standard (Supelco)

Nitrobenzene, analytical standard (Supelco)

Nitrobenzene, analytical standard, for GC

alpha-alpha-Dichlorotoluene, analytical standard (Supelco)

Free Vitamin B3 (as Niacinamide), analytical standard (Supelco)

Basic Red 1, analytical standard

Acetophenone, analytical standard, for GC

Acetophenone, analytical standard, for GC