L-Norvaline (α-L-Aminopentanoic Acid, L-Nva, NSC 203786, CAS Number: 6600-40-4) | Cayman Chemical
Soldiers of the GDR's National People's Army (NVA) wear protective suits and gas masks as they lie in a row during a military exercise simulating a chemical attack, place unknown, undated from
Waterproof Microporous PE PP+PE PP SMS Overall Polypropylene Nonwoven Disposable Protective Gown Garment Workwear Coat Coverall - China Disposable Protective Coverall and Chemical Protective Suit price | Made-in-China.com