N

1. N₃^-, Azide
2. Na⁺, Sodium
3. Naphthalene
4. Na₄P₂O₇, Sodium pyrophosphate
5. Na₅P₃O₁₀, Sodium tripolyphosphate
6. Nd, Neodymium
7. alpha-NED, beta-EDP-Leu
8. Neodymium, Nd
9. beta-NED, beta-Neoendorphin
10. Nefopam
11. beta-Neoendorphin, beta-NED
12. Neonicotinoid
13. Neurotensin
14. New coccine, Food Red No.102
15. NH⁴⁺, Ammonium
16. Ni²⁺, Nickel
17. Niacin, Nicotinic acid, Vitamin B₃
18. Niacinamide, Nicotinamide, Nicotinic acid amide
19. Nickel, Ni²⁺
20. Nicotinamide, Nicotinic acid amide, Niacinamide
21. Nicotinic acid, Niacin, Vitamin B₃
22. Nigerose
23. Nitenpyram
24. Nitrate, NO₃^-
25. Nitrilotriacetic acid, NTA
26. Nitrilotrismethylenephosphonate, NTPO
27. Nitrite, NO₂^-
28. 4-Nitrophenol
29. p-Nitrophenyl-alpha-D-galactoside
30. p-Nitrophenyl-alpha-D-glucoside
31. p-Nitrophenyl-alpha-D-mannoside
32. Nivalenol, NIV
33. NO₂^-, Nitrite
34. NO₃^-, Nitrate
35. Nonmercaptoalbumin
36. Nonyl phenol
37. Nonylphenoxy acetic acid
38. Nonylphenol diethoxy acetic acid
39. Nonylphenol ethoxylate, Polyoxyethylene nonylphenyl ether
40. Nonylphenol monoethoxy acetic acid
41. Noradrenaline, Norepinephrine
42. Norepinephrine, Noradrenaline
43. Norlaudansoline
44. Norphenylphrine
45. NTA, Nitrilotriacetic acid
46. Nylon, Polyamide
47. Nylon6, Polycaprolactam
48. Nylon6/T, Polytrimethyl hexamethylene terephthalamide
49. Nylon6/6, Polyhexamethylene adipamide
50. Nylon6/9, Polyhexamethylene nonanediamide
51. Nylon6/10, Polyhexamethylene sebacamide
52. Nylon6/12, Polyhexamethylene dodecanediamide
53. Nylon11, Polyundecanoamide
54. Nylon12, Polylaurylactam
55. Nystose