(±)-Nicotine-d₄ (pyridine-d₄)

(±)-Nicotine-d₇ (N-methyl-d₃; pyridine-d₄)

Nicotinic-d₄ Acid

Nicotinonitrile-d₄

Nicotinuric-d₄ Acid (pyridyl-d₄)

Nifedipine-d₄ (2-nitrophenyl-d₄)

(±)-Nisoldipine-d₄ (2-nitrophenyl-d₄)

Nitrilotriacetic Acid-d₉

4′-Nitroacetanilide-2′,3′,5′,6′-d₄

2-Nitroaniline-4,6-d₂

2-Nitroaniline-3,4,5,6-d₄

3-Nitroaniline-2,4,5,6-d₄

4-Nitroaniline-2,3,5,6-d₄

9-Nitroanthracene-d₉

Nitrobenzene-d₅ (reagent grade)

2-Nitrobenzoic-d₄ Acid

3-Nitrobenzoic-d₄ Acid

4-Nitrobenzoic-2,6-d₂ Acid