H

1. HCO₃^-, Hydrogencarbonate
2. HDL, High density lipoproteins
3. HEDTA, (2-Hydroxyethyl)ethylenediamine-N,N',N'-triacetic Acid
4. Hemoglobin
5. Heparin
6. Heptanophenone
7. HETE, Hydroxyeicosatetraenoic acid
8. Hexamethyldisiloxane
9. 1,6-Hexandiol, Hexamethylene glycol
10. 1-Hexanoic acid
11. 1-Hexanol, n-Hexyl alcohol
12. Hexanophenone
13. Hexobarbital
14. Hexokinase
15. n-Hexyl alcohol, 1-Hexanol
16. Hexyl benzoate
17. 5HIAA, 5-Hydroxyindole-3-acetic acid
18. High density lipoproteins, HDL
19. Hippuric acid
20. Hinokitiol
21. Histamine
22. Histidine
23. Ho, Holmium
24. HOCN, Cyanate
25. Holmium, Ho
26. Homatropine
27. Homovanilic acid, HVA
28. HPC, Hydroxyl propyl cellulose
29. HPO₄^2-, Phosphate dibasic
30. H₂PO₂^-
,HPO₂^2-, Hypophosphite
31. H₂PO₃^-
,HPO₃^2-, Phosphite
32. H₂PO₄^-, Phosphate monobasic
33. H₃PO₄^-, Phosphoric acid
34. HS^-
35. 5HT, Serotonin, 5-Hydroxytryptamine
36. Humic acid
37. Humic substances
38. HVA, Homovanilic acid
39. Hyaluronic acid
40. Hydracrylic acid, beta-Hydroxypropionic acid
41. Hydrochloric acid
42. Hydrochlorothiazide
43. Hydrocortisone
44. Hydrogencarbonate, HCO₃^-
45. Hydrogen peroxide
46. Hydrolyzed dextran
47. Hydroquinone
48. Hydroxybenzo[a]pyrene
49. p-Hydroxybenzoate
50. Hydroxybenzoic acid
51. 3-Hydroxycarbofuran
52. Hydroxyeicosatetraenoic acid, HETE
53. Hydroxyethyl cellulose
54. Hydroxyethylene-1,1-diphosphonate, HDEPO
55. (2-Hydroxyethyl)ethylenediamine-N,N',N'-triacetic Acid, HEDTA
56. Hydroxyethyl glucose
57. alpha-Hydroxygltaric acid
58. 5-Hydroxyindole-3-acetic acid, 5HIAA
59. 2-Hydroxyisobutyric acid
60. 5-(Hydroxymethyl)-2-furfural
61. 2-(4-Hydroxyphenoxy)propionic acid
62. Hydroxyl propyl cellulose, HPC
63. 3,4-Dihydroxyphenylalanine, DOPA
64. beta-Hydroxypropionic acid, Hydracrylic acid
65. 7alpha-Hydroxyriboflavin
66. 5-Hydroxytryptamine, Serotonine, 5HT
67. Hydantoin
68. Hypophosphite monobasic, H₂PO₂^-
69. Hypoxanthine